Let `f(x)=(1+x)/(1-x)` . If `A` is matrix for which `A^3=O ,t h e nf(A)` is (a)`I+A+A^2` (b) `I+2A+2A^2` (c) `I-A-A^2` (d) none of these

Let f(x)=(1+x)/(1-x) . If A is matrix for which A^3=0 ,then f(A) is (a) I+A+A^2 (b) I+2A+2A^2 (c) I-A-A^2 (d) none of these

Let f(x)=(1+x)/(1-x) . If A is matrix for which A^3=0 ,then f(A) is (a) I+A+A^2 (b) I+2A+2A^2 (c) I-A-A^2 (d) none of these

Let f(x)=(1+x)/(1-x). If A is matrix for which A^(3)=O,thenf(A) is (a)I+A+A^(2)(b)I+2A+2A^(2)(c)I-A-A^(2)(d) none of these

If A^(3) = O , then I + A + A^(2) equals a)I - A b) (I + A^(-1)) c) (I - A)^(-1) d)none of these

If A^3=O ,t h e nI+A+A^2 equals a. I-A b. (I+A^1)^(-1) c. (I-A)^(-1) d. none of these

If A^3=O ,t h e nI+A+A^2 equals a. I-A b. (I+A^1)^(-1) c. (I-A)^(-1) d. none of these

If A^3=O ,t h e nI+A+A^2 equals a. I-A b. (I+A^1)^(-1) c. (I-A)^(-1) d. none of these

If for the matrix A ,\ A^3=I , then A^(-1)= (a) A^2 (b) A^3 (c) A (d) none of these

Let f(x)=(1+2x)(1+2x+4x^(2)+8x^(3)+...oo) If A is a matrix for which A^(3)=0, then f(A) equals (I is identity matrix of order equivalent to order of A).

If for the matrix A ,\ A^3=I , then A^(-1)= A^2 (b) A^3 (c) A (d) none of these