🛠️ JEE➗ Maths

The integral \(\int \frac{{e}^{3lo{g}_{e}2x}+5{e}^{2lo{g}_{e}2x}}{{e}^{4{\log }_{e}x}+5{e}^{3{\log }_{e}x}-7{e}^{2{\log …

Q1

The integral \(\int \frac{{e}^{3lo{g}_{e}2x}+5{e}^{2lo{g}_{e}2x}}{{e}^{4{\log }_{e}x}+5{e}^{3{\log }_{e}x}-7{e}^{2{\log }_{e}x}}dx,x>0\) is equal to: (where c is a constant of integration)

[JEE Main 2021, 25 Feb (Shift 2)]

a

\(\frac{1}{4}{\log }_{e}\left|{x}^{2}+5x-7\right|+c\)

b

\(4{\log }_{e}\left|{x}^{2}+5x-7\right|+c\)

c

\({\log }_{e}\sqrt{{x}^{2}+5x-7}+c\)

d

\({\log }_{e}\left|{x}^{2}+5x-7\right|+c\)

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