(a+b)(a^2-ab+b^2)
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Answered by
1
Answer:
a³+b³
Step-by-step explanation:
(a+b)(a²-ab+b²)=a³+b³
it is reverse form of a³+b³ identity
Answered by
0
Step-by-step explanation:
We will discuss here about the expansion of (a ± b)(a2 ∓ ab + b2).
(a + b)(a2 - ab + b2) = a(a2 - ab + b2) + b(a2 - ab + b2)
= a3 - a2b + ab2 + ba2 - ab2 + b3
= a3 + b3.
(a - b)(a2 + ab + b2) = a(a2 + ab + b2) - b(a2 + ab + b2)
= a3 + a2b + ab2 - ba2 - ab2 - b3
= a3 - b3.
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