What is the derivative of (1+7x^2(x-x^2)) ?

The derivative of (1+7x^2(x-x^2)) is -28x^3+21x^2-2x+1

What is the first derivative of (1+7x^2(x-x^2)) ?

The first derivative of (1+7x^2(x-x^2)) is -28x^3+21x^2-2x+1

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\frac{d}{d x} ((1 + 7 x^{2}) (x - x^{2}))

- 28 x^{3} + 21 x^{2} - 2 x + 1

Solution steps

\frac{d}{d x} ((1 + 7 x^{2}) (x - x^{2}))

Apply the Product Rule:

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

f = 1 + 7 x^{2}, g = x - x^{2}

= \frac{d}{d x} (1 + 7 x^{2}) (x - x^{2}) + \frac{d}{d x} (x - x^{2}) (1 + 7 x^{2})

\frac{d}{d x} (1 + 7 x^{2}) = 14 x

\frac{d}{d x} (x - x^{2}) = 1 - 2 x

= 14 x (x - x^{2}) + (1 - 2 x) (1 + 7 x^{2})

Simplify

14 x (x - x^{2}) + (1 - 2 x) (1 + 7 x^{2}) : - 28 x^{3} + 21 x^{2} - 2 x + 1

= - 28 x^{3} + 21 x^{2} - 2 x + 1

f (x) = 3 sin (x) + 3 cos (x)

(- 4, 8), (- 3, 8)

f (x) = 2 x e^{7 x}

f (y) = 1 - y^{2}

sin (\frac{1}{x ^{2}})

What is the derivative of (1+7x^2(x-x^2)) ?
The derivative of (1+7x^2(x-x^2)) is -28x^3+21x^2-2x+1
What is the first derivative of (1+7x^2(x-x^2)) ?
The first derivative of (1+7x^2(x-x^2)) is -28x^3+21x^2-2x+1