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solniwko [45]
2 years ago
11

What is the answer to this calculus problem???

%7Bx%7D%20cos%20%5C%3A%20x%29" id="TexFormula1" title=" \frac{d}{dx} (e {}^{x} cos \: x)" alt=" \frac{d}{dx} (e {}^{x} cos \: x)" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Len [333]2 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Differentiate using the product rule

Given y = f(x)g(x), then

\frac{dy}{dx} = f(x). g'(x) + g(x). f'(x)

here f(x) = e^{x} ⇒ f'(x) = e^{x}

g(x) = cosx ⇒ g'(x) = - sinx

Hence

\frac{dy}{dx} = e^{x}(- sinx) + cosx e^{x}

                                   = e^{x}cosx - e^{x}sinx

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