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Question

Mathematics Question on Integrals of Some Particular Functions

x21x41dx\int\frac{x^2\,\,\,1}{x^4\,\,\,1}dx

A

12loge(x21)c\frac{1}{\sqrt2}log\,e(x^2\,\,\,1)\,\,\,c

B

12tan1(x21x2)c\frac{1}{\sqrt2}tan\,^1\left(\frac{x^2\,\,\,1}{x\sqrt2}\right)c

C

12tan1(x21)+c-\frac{1}{\sqrt2}tan^{-1}(x^2\,-1)+c

D

12tan1(x21x2)+c\frac{1}{\sqrt2}tan\,^{-1}\left(\frac{x^2\,\,\,1}{x\sqrt2}\right)+c

Answer

12tan1(x21x2)+c\frac{1}{\sqrt2}tan\,^{-1}\left(\frac{x^2\,\,\,1}{x\sqrt2}\right)+c

Explanation

Solution

Answer (d) 12tan1(x21x2)+c\frac{1}{\sqrt2}tan\,^{-1}\left(\frac{x^2\,\,\,1}{x\sqrt2}\right)+c