JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Analyzing +4 | -1

For what value of

b,

will the roots of the equation

\cos x = b, - 1 \le b \le 1

when arranged in ascending order of their magnitudes, form an A.P.?

View answer and explanation

Correct option: A

- 1

Option A (

-1

) is correct because when

\cos x = -1

, the solutions for x form an arithmetic progression.

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