Can you please post the entire solution I am actually trying

Can you please post the entire solution. I am actually trying to learn not just copy. Also please dont use decimals. Thank you

Find y,(z) if y(x) = ln(arctan(82)) Y\' (x) 1440/(pi(64x^2+1)*tanh(8x))

Solution

y =ln(arctan(8x))

differentiate

d/dx( f(g(x)))= f \'(g(x)) *g\'(x), d/dx arctanp =1/(1+p²) ,d/dx lnp =1/p

y\'=[1/(arctan(8x))]*[1/(1+(8x)²)] *8

y\'=[8/((1+64x²)arctan(8x))]