if `A=[[x,0],[-1,2x]]` and `A^-1 =[[1,0],[1/2,1/2]]` then `x` is equal to (i) `-2` (ii)`-1` (iii)`1` (iv)`2`

int_-1^2 (xdx)/(|x| is equal to (i)1 (ii)3 (iii)-1 (iv)-3

If A=[(2,1),(0,x)] and A^(-1)=[(1/2,1/6),(0,1/x)] , then the value of x is equal to

IF A=[[x,1],[1,0]] and A^2=I , then A^(-1) is equal to

If [[x,1]][[1,0],[2,0]]=0 ,then x equals (A) 0 (B) -2 (C) -1 (D) 2

x^(2)-2x+10 has minimum at x(i)2(ii)-1(iii)1(iv)-2

Lt_(xto0)(sqrt(1+x)-1)/(x) is equal to (i) 0 (ii) 1 (iii) 1/2 (iv) 2

Lt_(x to (3)/(2))[x] is equal to (i) 1 (ii) -1 (iii) 2 (iv) does not exist

Lt_(x to 0)(|x|)/(x) is equal to (i) 1 (ii) -1 (iii) 0 (iv) does not exist

Lt_(xto0)(sqrt(4+x)-2)/(sinx) is equal to (i) 4 (ii) 1 (iii) 1/4 (iv) 0

if f(x)=|[-1,x+2,x+1],[x,x(x-1),x^2],[x^2,x(x-2),2x(x-1)]| then f(99) is equal to (i)0 (ii)990 (iii)2970 (iv)8910