What is the derivative of xsin(3x) ?

The derivative of xsin(3x) is sin(3x)+3xcos(3x)

What is the first derivative of xsin(3x) ?

The first derivative of xsin(3x) is sin(3x)+3xcos(3x)

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derivative of

x sin (3 x)

sin (3 x) + 3 x cos (3 x)

Solution steps

\frac{d}{d x} (x sin (3 x))

Apply the Product Rule:

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

f = x, g = sin (3 x)

= \frac{d x}{d x} sin (3 x) + \frac{d}{d x} (sin (3 x)) x

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

\frac{d}{d x} (sin (3 x)) = cos (3 x) \cdot 3

= 1 \cdot sin (3 x) + cos (3 x) \cdot 3 x

Simplify

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

\int \frac{1}{( 10 x - 1 ) ^{6}} d x

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\int 7 x d x

\frac{7 ^{x}}{x ^{3}}

\int (\frac{3}{x} - 9 e^{5 x} + x^{9}) d x

What is the derivative of xsin(3x) ?
The derivative of xsin(3x) is sin(3x)+3xcos(3x)
What is the first derivative of xsin(3x) ?
The first derivative of xsin(3x) is sin(3x)+3xcos(3x)