Under which one of the following conditions does the equation (\cos \beta-1) x^2+(\cos \beta) x+ \sin \beta=0 in x have a real root for \beta \in[0, \pi] ?

Correct Answer is : 1−cosβ>0

UPSC NDA I 2024 Mathematics Paper

Question : 45 of 120

Marks: +1, -0

Under which one of the following conditions does the equation (cos‌β−1)x2+(cos‌β)x+sin‌β=0 in x have a real root for β∈[0,π] ?

Go to Question:

Prev Question

Next Question