Question

x to the power 4 minus y to the power 4 factorise​

Answer 1

Answer:

x^4-y^4

Step-by-step explanation:

(x+y)(x-y)(x²-y²)

Explanation:

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We know the algebraic identity:

a²-b² = (a+b)(a-b)----(1)

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Factors of x⁴-y⁴

= (x²)²-(y²)²

= (x²-y²)(x²+y²) [from (1)]

= (x-y)(x+y)(x²+y²) [from(1)]

Therefore,

x⁴-y⁴ = (x-y)(x+y)(x²+y²)

Answer 2

Answer:

Step-by-step explanation:

$(x^{2} )^{2}$-$(y^{2} )^{2}$

this is a square -bsquare

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

again using identity

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

hope this helps