Question

On simplifying (m+n)(m-n) (m^2+n^2) we get___________.
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Answer 1

Answer:

(m^2-n^2)(m^2+n^2). since{ ( a+b)(a-b)=a²-b²

(m⁴+mn²-mn²-n⁴)

(m⁴-n⁴). or

(m²+n²)(m²-n²)