Use of Monotonicity for Proving Inequalities
Trending Questions
Q. Let f:[−10, 10]→R, where f(x)=sinx+[x2a] be an odd function. Then the set of values of parameter a is (where [.] denotes greatest integer function)
- [100, ∞)
- (−10, 10)−{0}
- (0, 10)
- (100, ∞)
Q.
The number of values of x where the function f(x) = 2 (cos 3x + cos √3x attains its maximum, is
1
2
0
Infinite
Q. If f(x)=cos(π2]x+cos(−π2]x, where [x] stands for the greatest integer function, then
- f(π2)=−1
- f(π)=1
- f(−π)=0
- f(π4)=1