Question

evaluate the expression for the values given below(2mn + m^2 + n^2)(m^2 -2mn + n^2) given m = 2 and n = 1​

Answer 1

Answer:

Given,m=2 and n=1

=(2×2×1+2^2+1^2)(2^2-2×2×1+1^2)

=(4+4+1)(4-4+1)

=9×1

=9

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