The value of \(\alpha\) for which \(4\alpha {\int }_{-1}^{2}{e}^{-\alpha |x|}dx=5\) is [JEE Main 2020, 7 Jan (Shift 2)]
Q1
The value of \(\alpha\) for which \(4\alpha {\int }_{-1}^{2}{e}^{-\alpha |x|}dx=5\) is
[JEE Main 2020, 7 Jan (Shift 2)]
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