Calculus
posted by Amber .
Instructions were evaluate the integral.
(x/1x^4) dx
I know that this form is the tanh inverse 1/1x^2 but not sure how to substitute and start this problem. Please Help.
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Instructions were evaluate the integral. (x/1x^4) dx I know that this form is the tanh inverse 1/1x^2 but not sure how to substitute and start this problem. Please Help. 
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