Question

(m²-n²)(m²-n²) using identity

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Answer 1

Answer:

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Answer 2

(a-b)²=a²+b²-2ab

a=m²

b=n²

(m²)²+(n²)²-2(m²*n²)

m⁴+n⁴-2(m²n²)

m⁴+n⁴-2m²n²