Question

12. The solution of the system of linear equations 2(ax-by)+(a +4b)= 0;2(bx + ay)+(b-4a) = 0
are
(a) x=a and y = b
(b)x=-1 and y=-1
(c)X = 1 and y=1
(d) none of these​

Answer 1

this question answer is B B option