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Integrate the following by substitution method :1/(ex +e-x)2
hello avni. this is an easy ques.1/(ex +e-x)2 = e^2x/(e^2x+1)^2 now substitute e^2x + 1 = y, and the ques becomes as easy as that!- 1/2(e^2x + 1) + C is answer
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