JEE MAIN - Mathematics Hindi (2021 - 31st August Morning Shift - No. 9) | ExamPlay

JEE MAIN - Mathematics Hindi (2021 - 31st August Morning Shift - No. 9)

cosec18$$^\circ$$ इस समीकरण का एक मूल है :

x² + 2x $$-$$ 4 = 0

4x² + 2x $$-$$ 1 = 0

x² $$-$$ 2x + 4 = 0

x² $$-$$ 2x $$-$$ 4 = 0

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