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Use logarithmic differentiation to find the derivative of f(x) = [tex]{x^{cos3x}

quixie

wrote...

10 years ago

Use logarithmic differentiation to find the derivative of f(x) =

${x^{cos3x}}$

a. f'(x) =

${x^{cos3x}}[\frac{cos3x}{x}-3(sin3x)lnx]$

b.f'(x) =

$(-3sin3x){x^{cos3x}}$

c. f'(x) =

$(cos3x){x^{cos3x-1}}$

d. f'(x) =

${x^{cos3x}}(lnx-3sin3x)$

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