Integrate the following with respect to x : sec²(3 + 4x)

Integrate the following with respect to x : cosec(ax + b)cot (ax + b)

Integrate the following functions with respect to x : \({1\over (2-3x)^4}\)

Integrate the following functions with respect to x : \({1\over \sqrt{1-(4x)^2}}\)

Integrate the following functions with respect to x : \({1\over \sqrt{1-81x^2}}\)

Integrate the following functions with respect to x : \({1\over 1+36x^2}\)

Integrate the following with respect to x : \(e^{2x}-1\over e^{x}\)

Integrate the following with respect to x : \(e^{-3x}sin 2x\)

Integrate the following with respect to x : \(e^{-4x}sin 2x\)