Question:
Mark $(\sqrt{)}$ against the correct answer in the following:
If $y=\sin \left(x^{x}\right)$ then $\frac{d y}{d x}=?$
A. $x^{x} \cos \left(x^{x}\right)$
B. $x^{x} \cos x^{x}(1+\log x)$
C. $x^{x} \cos x^{x} \log x$
D. none of these
Solution: