Question

Differentiate: y=3^7^x^2

Answer 1

$y=(3^7)^{x^2}\\ y'=(3^7)^{x^2} \ln 3^7 \cdot 2x\\ y'=2\cdot(3^7)^{x^2}x \ln 3^7=2\cdot2187^{x^2}x\ln 2187$