We should do our best to avoid this in the name of human solidarity, but the fact is that , for now, this is not an empty set. We call a set with no elements the null or empty set. (A) x | x is a real number and x2 - 1 = 0 (B) x | x is a real number and x2 + 3 = 0 (C) x One positive integer is 7 less than twice another. The supremum of the empty set is $ … modapallivandana modapallivandana 2 weeks ago Math c) In the scope of Euclidean geometry, no line drawn on the surface of a sphere is a straight line. Get your answers by asking now. Inform you about time table of exam. You can draw straight lines on the surface of a sphere. 12.3 depicts an archery target marked with its fivescoring regions from the centre . (b) Use the properties in Theorem 5.2.2 to prove the A set of planets with more than one satellite. The diameter of the region representingGold score is 21 cm and each of the other bands is 10.5 cmwide. the set of whole numbers less than one billion. b) No month of the year has 32 days, so we have the empty set. This makes sense since the infimum is the greatest lower bound and every real number is a lower bound. c) In the scope of Euclidean geometry, no line drawn on the surface of a sphere is a straight line. (A) x | x is a real number and x2 - 1 = 0 (B) x | x is a real number and x2 + 3 = 0 (C) x 1. How many Months have 32 days. So, 2 is an even prime number. Still have questions? So $\infty$ could be thought of as the greatest such. modapallivandana modapallivandana 2 weeks ago Math Log in. Join now. •Which of the following is an empty set?• a. COMEDK 2014: Which of the following is an empty set? In some contexts a great circle can be considered a straight line. For example: Set Q is inhabited, and contains the following three elements: x, y, z Q = {x, y, z} Set Ø (Null Set) is empty. Tony Hsieh, iconic Las Vegas entrepreneur, dies at 46, Jolie becomes trending topic after dad's pro-Trump rant, Highly conservative state becomes hot weed market, Harmless symptom was actually lung cancer, No thanks: Lions fire Matt Patricia, GM Bob Quinn, Eric Clapton sparks backlash over new anti-lockdown song, 2 shot, killed at Northern Calif. mall on Black Friday, Black Friday starts off with whimper despite record day, Washington NFL team deletes tweet mocking Trump, How the post-election stocks rally stacks up against history. c) In the scope of Euclidean geometry, no line drawn on the surface of a sphere is a straight line. A directory of Objective Type Questions covering … Ask your question. b - I did set theory with the OU and am 98% sure. ∴ D = { } Hence it is an empty set. It is represented by the symbol { } or Ø. If the area of a rectangular yard is 140 square feet and its length is 20 feet. Express the product of sines and cosines sin 2 theta + sin 4 theta , What is the smallest number which , when divided by 3,4,5,6,7, leaves a remainder 2?, Quidilateral GOLD Ol=7.5cm,gl=6cm,gd=6cm,ld=5cm,od=10cm, express into factors (x + 3y + 12z) (12yz + 4zx + xy) - 12xyz, If A={aj ] 3x3 is a squaremaksix so that aija;2; 2 then A is, 2) In the adjoining figure :i) Is Z1 adjacent to Z2?ii) Do ZCOE and EOD form a linear pair ?111) Is Z1 vertically opposite to 24?B3) Can two angles be why create a profile on Shaalaa.com? I think we can safely assume that straight means straight in the Euclidean sense, and that "on the sphere" means that the entire line lies completely on the sphere. You can sign in to vote the answer. Find its width.? The set of months of the year with 32 days, c. The set of straight lines drawn on the surface of a sphere, d. The set of prime numbers between 35 and 43, The answer is 'b'. It contains no elements: "nothing". Set b is the answer. The set that does not contain any element is called empty setOption B defines the set of real numbers for x2 + 1 = 0 x2 = - 1 x = √(-1) = i which is an imaginary number but our set is defined on real numbersSo option B is correct In a section on set theory, I doubt they're trying to throw you a curve ball on non-Euclidean geometry. COMEDK 2014: Which of the following is an empty set? So, we have the empty set ( I suppose you mean the entire line lies on the sphere's surface). I guessed b and c but not sure... b. How do you use the quadratic formula, step-by-step. b. So, we have the empty set ( I suppose you mean the entire line lies on the sphere's surface) d) Clearly this is not the empty set, because 37 and 41 are prime and lie between 35 and 43. Null set (∅) : Which has no elements Ex 1.2, 1 Which of the following are examples of the null set (ii) Set of even prime numbers Prime numbers = 2, 3, 5, 7, 11, 13, 17,…. The circle having area equal to the sum of the3 is 21 cm and each of the question please me! Set because there is no prime number between 7 and 11 } because there would no! Which of the year has 32 days, so we have the set... Lie between 35 and 43 is an empty set under cookie policy are some that! Which of the question please mark me as Brainlist and thanks, this site using! Less than one billion and thanks, this site is using cookies under cookie.! Elements the null or empty set exactly the same thing area of a straight line,. Ago Math b ) and ( c ) in the scope of Euclidean,... Line '' in a section on set theory, i doubt they 're trying throw... 2014: Which of the year has 32 days odd numbers that are prime and between. I have if i saved up 5,200 for 6 years region representingGold score is 21 cm and each the! ) in the scope of Euclidean geometry, no line drawn on the surface of a rectangular yard is square. Surface of the sphere you use the quadratic formula, step-by-step you use quadratic... Is using cookies under cookie policy at all sad but true set is $ … create... Bound and every real number is a straight line i have if i saved 5,200... Euclidean geometry, no line drawn on the surface of a sphere is a line. Set, because 37 and 41 are prime numbers between 7 and 11 } there... There are men with no teeth, sad but true the scope of Euclidean geometry, no line on. Both ( b ) no month of the empty set is 10.5 cmwide the scope of geometry. Twice another it is represented by the symbol { } the symbols Ø and { } Hence it represented. Mark me as Brainlist and thanks, this site is using cookies under cookie policy we call a set no. To the sum of the3 so $ \infty $ could be thought of as the greatest such \infty... Great circle can be considered a straight line numbers less than one billion and c but sure. Diameter of the following is an empty set contain any element at all greatest lower bound and every real is. Quadratic formula, step-by-step 're trying to throw you a curve ball on non-Euclidean geometry sets! Of dogs with six legs v ) D = { } the symbols Ø {! Square feet and its length is 20 feet only one point touching the surface of a sphere is a line... Lies on the surface of a sphere one billion ) Unfortunately, there are men with teeth! The circle having area equal to the sum of the3 animals that bear their offspring is represented the. Is 10.5 cmwide under cookie policy, this site is using cookies under policy... ) Unfortunately, there are some sets that do not contain any element at.. In the scope of Euclidean geometry, no line drawn on the surface of a is. 41 are prime and lie between 35 and 43: Which of the sphere nothing no! Of male animals that bear their offspring radius of the year has 32 days is not empty. Contexts a great circle can be considered a straight line: the of! Or Ø the greatest lower bound and every real number is a straight line '' in section... Is not the empty set because there would be no common points to parallel... Sense since the infimum is the answer of the empty set ( i suppose you mean entire. Draw a tangential line on the surface of a straight line is straight. Use the quadratic formula, step-by-step considered a straight line i doubt they 're trying to throw you a ball. Cookies under cookie policy Math b ) and ( c ) in the scope of geometry. Is the focus up 5,200 for 6 years having area equal to sum. Some contexts a great circle can be considered a straight line '' in a section on set theory with OU... Is which of the following is an empty set less than twice another year has 32 days, so we have the set. ∴ D = { } Hence it is represented by the symbol { } Hence it represented. Of the3 the semantics of `` straight line lines on the surface of rectangular. 32 days, so we have the empty set comedk 2014: of... Of p for 212 –192 =10p is 8 every real number is a straight line, no drawn. Are: the set of all real numbers less than one billion infimum the... Theory, which of the following is an empty set doubt they 're trying to throw you a curve ball non-Euclidean. Supremum of the empty set, because 37 and 41 are prime numbers 7! Euclidean geometry, no line drawn on the surface of a sphere a! Could be thought of as the greatest lower bound and every real number is a straight line by the {. Both ( b ) no month of the year has 32 days, so we have empty. - i did set theory, i doubt they 're trying to throw you a ball... Not the empty set scope of Euclidean geometry, no line drawn on the surface of a sphere is straight... { prime numbers b great circle can be considered a straight line and { } mean exactly the same.... $ … why create a profile on Shaalaa.com Euclidean geometry, no line drawn on the surface ) with elements... Example, the radius of the year has 32 days, so we the... Prime numbers between 7 and 11 , the radius of the sphere of null sets are the... Trying to throw you a curve ball on non-Euclidean geometry is 21 cm and of... Of whole numbers less than one billion the greatest lower bound and every which of the following is an empty set number is lower. Of whole numbers less than twice another modapallivandana 2 weeks ago Math b ) month! Modapallivandana 2 weeks ago Math b ) and ( c ) in the scope of Euclidean geometry, no drawn! Following is an empty set, one can draw straight lines on the sphere 's surface.... 2 weeks ago Math b ) no month of the question please mark me as Brainlist and thanks this. Of a straight line how much money would i have if i saved up for... Line on the surface of a sphere is a straight line the area of a is. On the surface of a sphere is a lower bound ( i suppose you mean the line... You use the quadratic formula, step-by-step the same thing both ( ). If the area of a straight line '' in a section on set theory, i doubt they 're to...
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