Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Relations and Functions

Question:

Period of $f(x)= e^{\cos\{x\}}+\sin π[x]$ is ([.] and {.} denotes the greatest integer function and fractional part function respectively)

Options:

1

2

$π$

$2π$

Correct Answer:

1

Explanation:

$f(x)= e^{\cos\{x\}}$  $[∵ \sin π[x] = 0]$

Period of {x}

∴ Period of f (x) is 1.