f(x)=ln(13-9x^2+2x^4)

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Solution for f(x)=ln(13-9x^2+2x^4) equation: 


Simplifying
f(x) = ln(13 + -9x2 + 2x4)

Multiply f * x
fx = ln(13 + -9x2 + 2x4)
fx = (13 * ln + -9x2 * ln + 2x4 * ln)
fx = (13ln + -9lnx2 + 2lnx4)

Solving
fx = 13ln + -9lnx2 + 2lnx4

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = 13lnx-1 + -9lnx + 2lnx3

Simplifying
f = 13lnx-1 + -9lnx + 2lnx3

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