If `A=[1-1 2 1],B=[a1b-1]a n d(A+B)^2=A^2+B^2+2A B ,` then `a=-1` (b) `a=1` (c) `b=-2` `b=2`

If A=[[1,-1],[ 2, 1]],B=[[a,1],[b,-1]]a n d(A+B)^2=A^2+B^2+2A B ,t h e n a. a=-1 b. a=1 c. b=2 d. b=-2

If A=[[1,-1],[ 2, 1]],B=[[a,1],[b,-1]]a n d(A+B)^2=A^2+B^2+2A B ,t h e n a.a=-1 b. a=1 c. b=2 d. b=-2

If A=[[1,-1],[ 2, 1]],B=[[a,1],[b,-1]]a n d(A+B)^2=A^2+B^2+2A B ,t h e n a. a=-1 b. a=1 c. b=2 d. b=-2

If A=[[1,-12,1]],B=[[a,1b,-1]] and (A+B)^(2)=A^(2)+B^(2)+2AB then a=-1(b)a,=1(c)b=-2b=2

If A=[1-12-1],B=[a1b-1] and (A+B)^(2)=A^(2)+B^(2), find a and b

If A=[(1,-1), (2,-1)],B=[(a,1),(b,-1)]a n d(A+B)^2=A^2+B^2,fin daa n dbdot

If A=[1-1 2-1] , B=[a1b-1] and (A+B)^2=A^2+B^2 , then values of a and b are a=4 , b=1 (b) a=1 , b=4 (c) a=0 , b=4 (d) a=2 , b=4

If A=[1-1 2-1] , B=[a1b-1] and (A+B)^2=A^2+B^2 , then values of a and b are a=4 , b=1 (b) a=1 , b=4 (c) a=0 , b=4 (d) a=2 , b=4

If A=[(1,-1),(2,-1)] , B=[(a,1),(b,-1)] and (A+B)^2=A^2 +B^2 .Find a and b.

If A = [[1,-1],[2,-1]],B = [[a,1],[b,-1]] and (A+B)^2 = A^2+B^2 find a and b.