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Product Rule of Differentiation

Find the deri...

Question

Find the derivatives of the following functions at the indicated points.
$y = (4 x + 5)^{2}, y^{'} (0) = ?$

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Solution

$y = (4 x + 5)^{2}$

$⟹ y^{'} = 2.4 (4 x + 5)$

$⟹ y^{'} (0) = 2.4 (4.0 + 5)$

$⟹ y^{'} (0) = 40$

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