Question

(x-y)(x+y)(x^2+y^2)(x^4+y^4)

Answer 1

$\huge\boxed{\texttt{\fcolorbox{Red}{yellow}{Hey Mate!!!}}}$

$(x + y)(x - y)(x {}^{2} + y {}^{2} )(x {}^{4} + y {}^{4} ) \\ = (x {}^{2} - y {}^{2} )(x {}^{2} + y {}^{2} )(x {}^{4} + y {}^{4} ) \\ = (x {}^{4} - y {}^{4} )(x {}^{4} + y {}^{4} ) \\ = (x {}^{8} - y {}^{8} )$


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Answer 2

here is your answer

hope it help you