JEE MAIN - Mathematics Hindi (2020 - 7th January Evening Slot - No. 4)
$$\alpha $$ का मान जिसके लिए
$$4\alpha \int\limits_{ - 1}^2 {{e^{ - \alpha \left| x \right|}}dx} = 5$$, है:
$$4\alpha \int\limits_{ - 1}^2 {{e^{ - \alpha \left| x \right|}}dx} = 5$$, है:
$${\log _e}2$$
$${\log _e}\sqrt 2 $$
$${\log _e}\left( {{4 \over 3}} \right)$$
$${\log _e}\left( {{3 \over 2}} \right)$$
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