Question

Simplify : a ( a² - 2b) - b ( b² - 2a)


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Answer 1

Answer:

This is derived by the formula of

(a+b)

2

=a

2

+b

2

+2ab&(a−b)

2

=a

2

+b

2

−2ab

Then,

a

2

+b

2

=(a+b)

2

−2ab

a

2

+b

2

=(a−b)

2

−2ab

Hence, this is the answer.