Question

express x²y²-64 in form of factors​

Answer 1

Answer:

(xy+8)(xy-8)

Step-by-step explanation:

Given,

$x {}^{2} y {}^{2} - 64 \\ = (xy) {}^{2} - 8 {}^{2} \\ by \: using \: identity \: a {}^{2} - b {}^{2} = (a + b)(a - b) \\ therefore \: (xy + 8)(xy - 8)$

Hope this will help you!!