6. Derivatives of Inverse, Exponential, & Logarithmic Functions

Determine whether the following statements are true and give an explanation or counterexample.

d/dx((√2)^x) = x(√2)^{x - 1}

Find the following higher-order derivatives.

dⁿ/dxⁿ (2^x)

Higher-order derivatives Find and simplify y''.

y = 2^x x

Find the derivative of the following functions.

y = x² In x

Find the derivative of the following functions.

y = In |sin x|

Find the derivative of the following functions.

y = In √x⁴+x²

Find the derivative of the following functions.

y = x In x - x

Find the derivative of the following functions.

y = In |x²-1|

Find the derivative of the following functions.

y = x² (1 - In x²)

Find the derivative of the following functions.

y = In(cos² x)

Find the derivative of the following functions.

y = In x / (In x + 1)

Find the derivative of the following functions.

y = In(e^x + e^-x)

Calculate the derivative of the following functions. In some cases, it is useful to use the properties of logarithms to simplify the functions before computing f'(x).

y = 4 log₃(x²−1)

Calculate the derivative of the following functions. In some cases, it is useful to use the properties of logarithms to simplify the functions before computing f'(x).

y = (cos x) In cos²x

63–74. Derivatives of logarithmic functions Calculate the derivative of the following functions. In some cases, it is useful to use the properties of logarithms to simplify the functions before computing f'(x).

y = log₈ |tan x|