If `A=[(ab,b^2),(-a^2,-ab)],` then `A` is

If A=[(ab,b^2),(-a^2,-ab)] then matrix A is (A) scalar (B) involuntary (C) idemponent (D) nilpotent

If A=[(ab,b^(2)),(-a^(2),-ab)] then A^(2)=

If A=[(ab ,b^2) ,(-a^2 ,-ab)] , show that A^2=O .

If A= [[ab,b^2],[-a^2, -ab]] then A^(2)=

If A=[[-ab,b^(2)-a^(2),-ab]] then show that A^(2)=0

If A=[{:(ab,b^(2)),(-a^(2),-ab):}], show that A^(2)=O.

Select and write the correct answer from the given alternatives in each of the following:If A=[[ab,b^2],[-a^2,-ab]] and A^n=0 ,then the minimum value of n is

If A=[[ab,b^(2)-a^(2)-ab]] and A^(n)=0, then the minimum value of 'n' is