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Question Number 158060 by zainaltanjung last updated on 30/Oct/21

Answered by puissant last updated on 30/Oct/21

$$1)$$$$\frac{dy}{dx}=2x+3;x=3\Rightarrow \frac{dy}{dx}=9$$$$2)$$$$\frac{dy}{dx}=12x^3+15x^2+1;x=2\Rightarrow \frac{dy}{dx}=157$$$$3)$$$$\frac{dy}{dx}=4x-6;x=1\Rightarrow \frac{dy}{dx}=-2$$$$4)$$$$\frac{dy}{dx}=-8x^3+21x^2;x=1\Rightarrow \frac{dy}{dx}=13$$

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