Mathematics · 2024
JEE Main · 4 April 2024, Shift 2 · Q10
If the value of the integral ∫_-1^1 (cos α x)/(1+3^x) d x is 2/(π). Then, a value of α is
If the value of the integral $\displaystyle \int_{-1}^1 \frac{\cos \alpha x}{1+3^x} d x$ is $\displaystyle \frac{2}{\pi}$. Then, a value of $\displaystyle \alpha$ is
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \frac{\pi}{2}$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.