Question

write the factors of polyinomial x^4-y^4​

Answer 1

Answer:

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

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Answer 2

Answer:

Step-by-step explanation:

x^4 - y^4

(x^2)^2 - (y^2)^2

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

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