Question

find dy/dx for y=arctan(x/2)

Answer 1

\[y=\tan^{-1} \frac{ x }{ a }\]
\[\frac{ dy }{dx }=\frac{ 1 }{ 1+\frac{ x ^{2} }{a ^{2} } }*\frac{ 1 }{a }\]

Answer 2

thank you so much!!

Answer 3

yw