Integration - Integration of Power Functions

Integration - Integration of Power Functions

Integrate the following expressions with respect to \(x\):

  1. \(\displaystyle\displaystyle \displaystyle\int \frac{7}{5x} \, \mathrm{d}x\)
  2. \(\displaystyle\displaystyle \displaystyle\int \frac{3}{2x+4} \, \mathrm{d}x\)
  3. \(\displaystyle\displaystyle \displaystyle\int \frac{6-(3x-2)^4}{(3x-2)^5} \, \mathrm{d}x\)
  4. \(\displaystyle\displaystyle \displaystyle\int \frac{\sqrt{4-2x}+2}{\left(\sqrt{4-2x}\right)^{3}} \, \mathrm{d}x\)

Solution:

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Answer:(a) \(\dfrac75\ln|x|+C\) (b) \(\dfrac32\ln|2x+4|+C\) (c) \(-\dfrac1{2(3x-2)^4}-\dfrac13\ln|3x-2|+C\) (d) \(-\dfrac12\ln(4-2x)+\dfrac2{\sqrt{4-2x}}+C\)

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