Question

Найти производную:
1) y=x^2-3e^x
2) y=3x^4+cos2x
4) y=5sinx-6e^

Answer 1

$1. \:\: (x^2-3e^x)' = 2x - 3e^x \\ \\ 2. \:\: (3x^4+cos2x)' = 12x^3 -2sin2x \\ \\ 4. \:\: (5sinx-6e^x)' = 5cosx -6e^x$