Q. 125.0( 2 Votes )

The number of ele

Answer :

The set defined by {x: x Z, x2 = 1}


This means the elements of the set is given by x2 = 1 and that x is belongs to integers(Z)


x = 1 x2 = 1


x = -1 x2 = (-1)2 = 1


For the x = 1 & -1 the statement holds true.


1, -1 are the elements of the set


The number of elements in the set is 2.


Option B is the correct answer.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Master the Art of Writing Chemical FormulaeMaster the Art of Writing Chemical FormulaeMaster the Art of Writing Chemical Formulae42 mins
Master Mole Concept in 45 MinutesMaster Mole Concept in 45 MinutesMaster Mole Concept in 45 Minutes48 mins
Combinations of SolidsCombinations of SolidsCombinations of Solids43 mins
Law of GravitationLaw of GravitationLaw of Gravitation40 mins
Quick Recap of CellQuick Recap of CellQuick Recap of Cell62 mins
Newton's Second LawNewton's Second LawNewton's Second Law46 mins
Final Phase & Legacy of the RevolutionFinal Phase & Legacy of the RevolutionFinal Phase & Legacy of the Revolution43 mins
Variation in g with Rotation of EarthVariation in g with Rotation of EarthVariation in g with Rotation of Earth42 mins
Circles- All kinds of QuestionsCircles- All kinds of QuestionsCircles- All kinds of Questions36 mins
Arc of Circle And Related IMP QsArc of Circle And Related IMP QsArc of Circle And Related IMP Qs40 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

i. If A = Φ, Tamilnadu Board Math Term-I

Find the number oTamilnadu Board Math Term-I

Write down the poTamilnadu Board Math Term-I

If n(X) = m, n(Y)Tamilnadu Board Math Term-I

The number of eleTamilnadu Board Math Term-I

Let A and B be twTamilnadu Board Math Term-I

Let

<spTamilnadu Board Math Term-I

If n[P(A)] = 1, wTamilnadu Board Math Term-I

If n(A ∩</sTamilnadu Board Math Term-I