If `A=[(1,2)], B= [(1),(2)]`, then AB =

If A={(1,2)},B={(3,4)}, then A xx(B xx phi)=

if sin A=(1)/(2) and cos B=(1)/(2) then A+B =

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

If A = [(-1),(2),(3)],B = [(3,1,-2)] , find B'A'

If A {1,2}, B = {1,3}, " then " (A xx B)cup (B xx A) is equal to

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