What is the formula for (a+b)³
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Posted by Raghav Rathi 3 years, 10 months ago
- 3 answers
Gaurav Seth 3 years, 10 months ago
a n s w e r
(a+b)^3 = a^3 + b^3 +3a b^2 + 3ba^2 as shown below:
(a+b)^3 = (a+b) (a+b)^2 = (a+b)(a^2 + 2ab + b^2)
=a^3 +2a^2 b + ab^2 + ba^2 +2ab^2 + b^3
= a^3 + 3a b^2 + 3 b a^2 + b^3 and I it is often written as
a^3 + 3ab(a+b) + b^3
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Ganga Sagar 3 years, 10 months ago
0Thank You