Question

(a+b)3-a-b
factorize it please
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Answer 1

Answer:

1

Secondary SchoolMath 5 points

(a+b)^3-(a-b)^3 factorise

Ask for details Follow Report by Satyamharsh 15.06.2018

Answers

salonipareek606

salonipareek606 Virtuoso

Here, [(a+b)^3= a^3+b^3+3ab(a+b)]---------1equation

And next is

[(a-b)^3= a^3-b^3-3ab(a-b)]------------2equation

According to question:

a^3+b^3+3a^2×b+3ab^2-[a^3-b^3-3a^2×b+3ab^2]

a^3+b^3+3a^2×b+3ab^2-a^3+b^3+3a^2×b-3ab^2

= 2b^3+6a^2b answer......

If u can't understand then see this pic.......I hope u will understand...