Question

производная y=(arcctg(x))^4

Answer 1

 y=(arcctg(x))^4

 

y ‘ = 4*(arcctg(x))^3*(arcctg(x)) ‘ = 4*(arcctg(x))^3*((-1)/(1+x^2)=

= -4*(arcctg(x))^3/(1+x^2)