Question

factorise the following :


x⁴-2x²y²+y⁴



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Answer 1

Answer:

Step-by-step explanation:

x⁴-2x²y²+y⁴

=x⁴-x²y²-x²y²+y⁴

=x²(x²-y²)-y²(x²-y²)

=(x²-y²)(x²-y²)

=(x²-y²)²....//

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Answer 2

Step-by-step explanation:

=x⁴-2x²y²+y⁴

=x⁴-x²y²-x²y²+y⁴

=x²(x²-y²)-y²(x²-y²)

=(x²-y²)(x²-y²)

=(x²-y²)²