the greatest integer function If the | ITF | JEE MAIN 2026

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04 - 04 - 2026 S1

Question

Let [ • ] denote the greatest integer function. If the domain of the function $f(x)=\cos ^{-1}\left(\frac{4 x+2[x]}{3}\right)$ is $[\alpha, \beta]$, then $12(\alpha+\beta)$ is equal to:

Select the correct option:

A

6

B

8

C

9

D

4

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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