Question

What is the antiderivative of 4/e^4x?

Answer 1

`\displaystyle F=\int (4)/(e^(4x))\, dx\\ F=4 \int e^(-4x)\, dx\\ F=4 \cdot\left(-(1)/(4)e^(-4x)\right)+C\\ F=-e^(-4x)+C`