Question

factorize 81x⁴ + 64y⁴​

Answer 1

Answer:

To Factorize:- 81x⁴+64y⁴

Solution:-

(9x²)²+(8y²)²

if

a²-b²=(a+b)(a-b)

then

a²+b²=(a+b)(a+b)

here both are positive

thus

But a=9x² & b=8y²

(9x²+8y²)(9x²+8y²)

9x²(9x²+8y²)+8y²(9x²+8y²)