Quadratic Equation and Inequalities Part 1

Section: Mathematics

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Question : 3 of 100

Marks: +1, -0

cosec‌18° is a root of the equation

[31 Aug 2021 Shift 1]

x2+2x−4=0
4x2+2x−1=0
x2−2x+4=0
x2−2x−4=0

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