In the complex Fe(CO)x, the value of x is
The zero of the polynomial x-3 is
Question 8 The number of angles in the given figure is a) 3 b) 4 c) 5 d) 6
The number of values of x lying in the interval (-π, π) which satisfy the equation
81+|cosx|+|cos2x|+...............+∞=64 is