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]] and (A+B)^(2)=A^(2)+B^(2) , the value of a+b is

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,-1],[2,-1]] , B=[[a,1],[b,-1]] and (A+B)^(2)=A^(2)+B^(2) ,then find the values of a and b

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)) then find the values of a and b.

If A=[[1,-12,-1]],B=[[x,1y,-1]] and A^(2)+B^(2)=(A+B)^(2) then (x,y)=,(A)(1,4)(B)(2,1)(C)(3,3)(D)(4,1)

If A=(1)/(3)[[1,2,22,1,-2a,2,b]] is an orthogonal ,b=-1 d.b=1

1) If A=[(1,2),(3,4)] , AdjA=[(4,a),(-3,b)] then the values of a and b are ..... a) a=-2, b=1 b) a=2, b=4 c)a=2, b=-1 d) a=1, b=-2

If A=[[a+i b, c+i d],[-c+i d, a-i b]]a n da^2+b^2+c^2+d^2=1,t h e nA^(-1) is equal to a.[[a+i b,-c+i d],[-c+i d, a-i b]] b. [[a-i b,-c-i d],[-c-i d, a+i b]] c. [[a+i b,-c-i d],[-c+i d, a-i b]] d. none of these