What is expand (3ab)/((a+b)^3) ?

The solution to expand (3ab)/((a+b)^3) is (3ab)/(a^3+3a^2b+3ab^2+b^3)

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expand (3ab)/((a+b)^3)

expand

\frac{3 ab}{( a + b ) ^{3}}

\frac{3 ab}{a ^{3} + 3 a ^{2} b + 3 a b ^{2} + b ^{3}}

Solution steps

\frac{3 ab}{( a + b ) ^{3}}

(a + b)^{3} = a^{3} + 3 a^{2} b + 3 a b^{2} + b^{3}

= \frac{3 ab}{a ^{3} + 3 a ^{2} b + 3 a b ^{2} + b ^{3}}

\frac{\partial}{\partial x} ((z) (x y + z^{3} - 2 yz))

\frac{4 s + 5}{( s + 3 ) ^{2}}

(2 x y + 3) d x

\frac{5}{x ( x + 5 )}

\frac{2 s}{- 2 s ^{2} + 1 + 4 s ^{4}}

What is expand (3ab)/((a+b)^3) ?
The solution to expand (3ab)/((a+b)^3) is (3ab)/(a^3+3a^2b+3ab^2+b^3)