Fourier Series » Exercise - 1 6. The Fourier series for the function f(x) sin2x = is : (a) sinx + sin2x (b) 1 – cos2x (c) sin2x + cos2x (d) 0.5 – 0.5 cos2x
Fourier Series » Exercise - 12. The magnitude spectrum of a Fourier transform of a real-valued time signal has _______ symmetry. (a) no (b) odd (c) even (d) conjugate
Tags: fourier, series, exercise, time, engineering, mathematics
Fourier Series » Exercise - 15. The inverse Fourier transform of product of two time functions [f1(ω)f2(ω)] is given by : (a) [f1(t) + f2(t)] (b) [f1(t) * f2(t)] (c) [f1(t) / f2(t)] (d) [f1(t) x f2(t)]
Tags: fourier, series, exercise, time, engineering, mathematics
Fourier Series » Exercise - 14. In Fourier series expansion, An will zero for _______ function and will be zero for _______ function. (a) odd, odd (b) odd, even (c) even, odd (d) even, even
Probability » Exercise - 19. If P (A) = 0.4, P (B) = x, P (A ∪ B) = 0.7 and the events A & B are independent, then x = (a) 1/3 (b) 1/2 (c) 2/3 (d) none of these