`B={x :x^(2)+4 =0 " and " x in N}`

Let A={x:x is a prime number less than 10} and B= {x:x in N and 0 lt x -2 le 4} then A-B is

If B={x:x=(2n-1)/(n+2), n in W and n lt 4} then B can be wirtten as

Which of the following is singleton set ? (i) A = {x : x is a letter in English alphabet, comes after Z} (ii) B = {0} (iii) C= {x :x + 4=4} (iv) D={x:x^(2)-4x+4=0} (v) E={x:x in N,6ltxlt9} .

If A={x : x=n , n in N} , B={x : =2n , n in N} , c={x : x =4n , n in N} , then

If A={x:x=3^(n)-2n-1, n in N} and B={x:x = 4(n-1), n in N} . Then

If A={x in C : x^2=1}\ a n d\ B={x in C : x^4=1} , then write A-B\ a n d\ B-Adot

If set A={x:tanx = secx, x in [0, 4pi]} and " set "B={x:sin^(2)x=1, x in [0, 4pi]} , then

Which of the following pairs of sets are equal? Justify your answer.(i)X, the set of letters in “ALLOY” and B, the set of letters in “LOYAL”.(ii)A = {n : n∈ Z and n2≤ 4} and B = {x : x∈ R and x2 – 3x + 2 = 0}

If A={x: x in N and x^(2)+x-2=0} and B={1} then find B-A.

Let f:(-pi/2, pi/2)->R , f(x) ={lim_(n->oo) ((tanx)^(2n)+x^2)/(sin^2x+(tanx)^(2n)) x in 0 , n in N ; 1 if x=0 which of the following holds good? (a) f(-(pi^(-))/4)=f((pi^(+))/4) (b) f(-(pi^(-))/4)=f(-(pi^(+))/4) (c) f((pi^(-))/4)=f((pi^(+))/4) (d) f(0^(+))=f(0)=f(0^(-))