What is derivative of f(x)=7arctan(7x),x=1 ?

The answer to derivative of f(x)=7arctan(7x),x=1 is 49/50

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derivative of f(x)=7arctan(7x),x=1

derivative of

f (x) = 7 arctan (7 x), x = 1

\frac{49}{50}

Solution steps

\frac{d}{d x} (7 arctan (7 x)) = \frac{49}{49 x ^{2} + 1}

Find the value of

\frac{49}{49 x ^{2} + 1}

for

x = 1 : \frac{49}{50}

\frac{49}{50}

n = 0 \sum \infty n^{2} (\frac{1}{3})^{n}

\int e^{- s t} t^{5} d t

f^{^{'}} (x) = \frac{1}{3 x ^{\frac{2}{3}}}

\int \frac{3}{56} x^{2} d x

y = 7 (x^{3} + x^{2}) \frac{2}{3}

What is derivative of f(x)=7arctan(7x),x=1 ?
The answer to derivative of f(x)=7arctan(7x),x=1 is 49/50