What is the derivative of 5excos(x) ?

The derivative of 5excos(x) is 5e(cos(x)-xsin(x))

What is the first derivative of 5excos(x) ?

The first derivative of 5excos(x) is 5e(cos(x)-xsin(x))

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derivative of

5 e x cos (x)

5 e (cos (x) - x sin (x))

Solution steps

\frac{d}{d x} (5 e x cos (x))

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= 5 e \frac{d}{d x} (x cos (x))

Apply the Product Rule:

(f \cdot g)^{'} = f^{'} \cdot g + f \cdot g^{'}

f = x, g = cos (x)

= 5 e (\frac{d x}{d x} cos (x) + \frac{d}{d x} (cos (x)) x)

\frac{d x}{d x} = 1

\frac{d}{d x} (cos (x)) = - sin (x)

= 5 e (1 \cdot cos (x) + (- sin (x)) x)

Simplify

= 5 e (cos (x) - x sin (x))

\frac{d y}{d x} = e^{x}, x (0) = 6

\frac{\partial}{\partial x} (x^{2} + y^{2} + (12 - x - y)^{2})

\frac{\partial}{\partial x} (x y e^{- y})

x \to l n (2) lim (- 4 e^{- 2 x})

\int 9 x e^{x} d x

What is the derivative of 5excos(x) ?
The derivative of 5excos(x) is 5e(cos(x)-xsin(x))
What is the first derivative of 5excos(x) ?
The first derivative of 5excos(x) is 5e(cos(x)-xsin(x))