Mathematics · 2021
JEE Main · 31 August 2021, Shift 2 · Q63
The sum of the roots of the equation, x+1-2 log_2(3+2^x)+2 log_4(10-2^-x)=0, is:
The sum of the roots of the equation, $\displaystyle x+1-2 \log _2\left(3+2^x\right)+2 \log _4\left(10-2^{-x}\right)=0$, is :
Official answer
(1)
$\displaystyle \log _2 11$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.