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Brilliant_brown [7]
3 years ago
12

If f(×)= (sinx+1) / e^x+2, then f'(x) equals

Mathematics
1 answer:
pshichka [43]3 years ago
7 0

Answer:

The derivative is \frac{\cos x - \sin x-1}{e^x}

Step-by-step explanation:

(\frac{\sin x+1}{e^x}+2)'=\frac{e^x\cos x-e^x(\sin x +1)}{e^{2x}}=\frac{\cos x - \sin x-1}{e^x}

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Perimeter = 2(width+length) =28
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