Question

factarize the expression ​

Answer 1

Answer:

(a²+b²)(x²+y²)

Step-by-step explanation:

(ax+by)²+(bx-ay)²= a²x²+2abxy+b²y²+b²x²-2abxy+a²y²

= a²(x²+y²)+ b²(x²+y²)

= (a²+b²)(x²+y²)

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