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Popular >

derivative of 7xln(x)

Solution

\frac{d}{d x} (7 x ln (x))

Solution

7 (ln (x) + 1)

Solution steps

\frac{d}{d x} (7 x ln (x))

Take the constant out:

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

= 7 \frac{d}{d x} (x ln (x))

Apply the Product Rule:

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

f = x, g = ln (x)

= 7 (\frac{d x}{d x} ln (x) + \frac{d}{d x} (ln (x)) x)

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

\frac{d}{d x} (ln (x)) = \frac{1}{x}

= 7 (1 \cdot ln (x) + \frac{1}{x} x)

Simplify

7 (1 \cdot ln (x) + \frac{1}{x} x) : 7 (ln (x) + 1)

= 7 (ln (x) + 1)

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Frequently Asked Questions (FAQ)

What is the derivative of 7xln(x) ?
The derivative of 7xln(x) is 7(ln(x)+1)
What is the first derivative of 7xln(x) ?
The first derivative of 7xln(x) is 7(ln(x)+1)