Question on: JAMB Mathematics - 2024
If y = (2x + 1)3, find \(\frac{dy}{dx}\)
A
6(2x + 1)
B
3(2x + 1)
C
6(2x + 1)2
D
2(2x + 1)2
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Correct Option: C
Using the chain rule:
Let \(u = 2x + 1\).
Then \(y = u^3\).
Differentiate:
\[ \frac{dy}{dx} = 3u^2 \cdot 2 = 6(2x + 1)^2 \]
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