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1 vote
Factorise: 16x4 - y4

User Bonzo
by
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1 Answer

5 votes

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

Explanation:

16x^4 - y^4

= (4x2)^2 - (y^2)^2

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

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

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

User Frank Denis
by
8.8k points