What is the derivative of-5x^2-4cos(x) ?

The derivative of-5x^2-4cos(x) is -10x+4sin(x)

What is the first derivative of-5x^2-4cos(x) ?

The first derivative of-5x^2-4cos(x) is -10x+4sin(x)

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\frac{d}{d x} (- 5 x^{2} - 4 cos (x))

- 10 x + 4 sin (x)

Solution steps

\frac{d}{d x} (- 5 x^{2} - 4 cos (x))

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= - \frac{d}{d x} (5 x^{2}) - \frac{d}{d x} (4 cos (x))

\frac{d}{d x} (5 x^{2}) = 10 x

\frac{d}{d x} (4 cos (x)) = - 4 sin (x)

= - 10 x - (- 4 sin (x))

Simplify

= - 10 x + 4 sin (x)

\int 2 x e^{- 8 x} d x

n = 0 \sum \infty 300 (- 1.41)^{n}

\int \frac{sin ( 20 ) ( x )}{sin ( 10 ) ( x )} d x

6 cos (3 x + 3)

y = e^{7 x}

What is the derivative of-5x^2-4cos(x) ?
The derivative of-5x^2-4cos(x) is -10x+4sin(x)
What is the first derivative of-5x^2-4cos(x) ?
The first derivative of-5x^2-4cos(x) is -10x+4sin(x)