Question

Factories it & please tell me answer immediately...​

Answer 1

Answer:

4th option is correct

Step-by-step explanation:

we know that

$a^{2}- b^{2}= (a-b)(a+b)$

Similarly here

$x^{4}-y^{4}= (x^{2} -y^{2} )(x^{2} +y^{2} )$

Hope it helps

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