Question

if (ax+by)²+(bx-ay)²is factorised then the factors are
a .(A2+b2)(X2+y2)
b.(A2+b2)(X2+y2)
c.(A2+b2)(X2+y2)
d.(A2+b2)(X2+y2)
plz say the answer
I will mark u as a brainlist​

Answer 1

Answer:

ab ( x^2 + y^2) - xy ( a^2 + b^2)

= abx^2 + aby^2 - xya^2 - xyb^2

= abx^2 - xya^2 + aby^2 - xyb^2

= ax ( bx - ay) + by ( ay - bx)

= ax ( bx - ay) - by ( bx - ay)

= (ax - by) (bx - ay)

Step-by-step explanation: