Question

3sinx + 4cosx + r is always greater than or equal to 0. What is the smallest value ‘r’ can to take

CAT 2021

A
5
CORRECT ANSWER WRONG ANSWER
B
-5
CORRECT ANSWER WRONG ANSWER
C
4
CORRECT ANSWER WRONG ANSWER
D
3
CORRECT ANSWER WRONG ANSWER
Solution

Correct option is

(A)