The sum of all the real roots of the equation | vedclass

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Question

$\left( e ^{2 x}-4\right)\left(6 e ^{2 x }-3 e ^{ x }-2 e ^{ x }+1\right)=0$

$\left( e ^{2 x }-4\right)\left(3 e ^{ x }-1\right)\left(2 e ^{ x }-1\

Vedclass · Accepted Answer

$-\log _{e} 3$

Vedclass · Answer

$\left( e ^{2 x}-4ight)\left(6 e ^{2 x }-3 e ^{ x }-2 e ^{ x }+1ight)=0$

$\left( e ^{2 x }-4ight)\left(3 e ^{ x }-1ight)\left(2 e ^{ x }-1ight)=0$

$e ^{2 x }=4 	ext { or }^{ x }=\frac{1}{3} 	ext { or }^{ x }=\frac{1}{2}$

$\Rightarrow 	ext { sum of real roots }=\frac{1}{2} \ln 4+\ln \frac{1}{3}+\ln \frac{1}{2}$

$=-\ln 3$

The sum of all the real roots of the equation $\left( e ^{2 x }-4\right)\left(6 e ^{2 x }-5 e ^{ x }+1\right)=0$ is

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