Question

Giúp e câu này đi ạ

Answer 1

\(y=13\left(x^{13}+1\right)^2=13\left(x^{26}+2x^{13}+1\right)\)

\(\Rightarrow y'=13\left(26x^{25}+26x^{12}\right)\)

\(\Rightarrow y'\left(1\right)=13\left(26+26\right)=676\)