Question
Answer
$$(a+h)^3=a^3+3a^2h+3ah^2+h^3$$
Explanation
| $$ \begin{aligned}(a+h)^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}a^3+3a^2h+3ah^2+h^3\end{aligned} $$ | |
| ① | Find $ \left(a+h\right)^3 $ using formula $$ (A + B) = A^3 + 3A^2B + 3AB^2 + B^3 $$where $ A = a $ and $ B = h $. $$ \left(a+h\right)^3 = a^3+3 \cdot a^2 \cdot h + 3 \cdot a \cdot h^2+h^3 = a^3+3a^2h+3ah^2+h^3 $$ |
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