Question

11. ab(x² + y2) + xy((a? + b2 =
a) (ab+xy)(ab+xy) b) (bx+ay)(ax+by) c) (x +y)(a? +
d) none of these.

Answer 1

Answer:

(bx+ay)(ax+by)

Step-by-step explanation:

abx²+aby²+a²xy+b²xy

abx²+a²xy+aby²+b²xy

ax(bx+ay)+by(ay+bx)

(bx+ay)(ax+by)