What is the derivative of sqrt(21x) ?

The derivative of sqrt(21x) is (sqrt(21))/(2sqrt(x))

What is the first derivative of sqrt(21x) ?

The first derivative of sqrt(21x) is (sqrt(21))/(2sqrt(x))

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\frac{d}{d x} (21 x)

\frac{21}{2 x}

Solution steps

\frac{d}{d x} (21 x)

Apply the chain rule:

\frac{1}{2 21 x} \frac{d}{d x} (21 x)

= \frac{1}{2 21 x} \frac{d}{d x} (21 x)

\frac{d}{d x} (21 x) = 21

= \frac{1}{2 21 x} \cdot 21

Simplify

\frac{1}{2 21 x} \cdot 21 : \frac{21}{2 x}

= \frac{21}{2 x}

\frac{\partial}{\partial x} (20 - x^{2} - 7 y^{2})

\frac{d}{d x} (ln (\frac{1 + e ^{x}}{1 - e ^{x}}))

\int (x - 1)^{3} d x

\int \frac{1}{( x + 1 ) ^{3}} d x

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

What is the derivative of sqrt(21x) ?
The derivative of sqrt(21x) is (sqrt(21))/(2sqrt(x))
What is the first derivative of sqrt(21x) ?
The first derivative of sqrt(21x) is (sqrt(21))/(2sqrt(x))