Question:
if $∫_{-1}^1 \frac{cos \, \alpha x}{1+3^x} dx = \frac2{\pi} $ then $\alpha$ is
if $∫_{-1}^1 \frac{cos \, \alpha x}{1+3^x} dx = \frac2{\pi} $ then $\alpha$ is
Updated On: Apr 14, 2024
- π/6
- π/2
- π/3
- π
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The Correct Option is B
Solution and Explanation
The Correct answer is option(B) : π/2
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