In the Fourier series expansion of two functions f(t)=4t +3 and f (t) = 6t +7t...

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In the Fourier series expansion of two functions f(t)=4t² +3 and f₂ (t) = 6t³ +7t in the interval -T/2 to +T/2 the Fourier coefficient a, and b (a, and b, are coefficients T T 2 2 of cos (not) and sin (not), respectively) satisfy (a) a = 0 and b =0 for f(t); a, #0 17 " (b) a, #0 and b =0 for f(t); a, = 0 (c) a, #0 and b, #0 for f(t); a, = 0 (d) a, = 0 and b, 0 for fi (t); a, #0 and b =0 for f₂ (t) 71 and b #0 for f₂ (1) and b, *0 for f(t) and b, #0 for f(t) In the Fourier series expansion of two functions f(t)=4t² +3 and f₂ (t) = 6t³ +7t in the interval -T/2 to +T/2 the Fourier coefficient a, and b (a, and b, are coefficients T T 2 2 of cos (not) and sin (not), respectively) satisfy (a) a = 0 and b =0 for f(t); a, #0 17 " (b) a, #0 and b =0 for f(t); a, = 0 (c) a, #0 and b, #0 for f(t); a, = 0 (d) a, = 0 and b, 0 for fi (t); a, #0 and b =0 for f₂ (t) 71 and b #0 for f₂ (1) and b, *0 for f(t) and b, #0 for f(t)

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