⚠ 3x is read as the product 3*x: for a power, write 3^x‖A LaTeX root is read as a fractional power: write (expression)^(1/n), with n=2 for a square root Let's differentiate: ddx((3x)15) ddx(315·x15) ℹddx(315·x15) = 315·ddx(x15)‖ddx(x15) = 15·x(15 -1) 315·15·x(15 -1) ℹ315·15·x(15 -1) = 315·x(15 -1)5‖15 -1 = 1 -1·55 315·x(1 -1·55)5 315·x(1 -55)5 315·x-455 315x45·5 ▶Derivative: 3155x45