2. Given the following 27-periodic function: f(x) = | (x – 7)2, 0

Please refer to the image attached, solve using fourier series tq

Extracted text: 2. Given the following 27-periodic function: f(x) = | (x – 7)2, 0 < x="">< t="" (a)="" show="" that="" the="" fourier="" series="" of="" a="" periodic="" function="" is="" (-1)"="" it="" sin="" nx="" sin(2n="" –="" 1)r="" (2n="" –="" 1)3="" 2="" s(2)="r²+E" 2="" cos="" nx="" +="" -="" -="" n="1" (b)="" use="" the="" result="" above,="" evaluate="" σ="" n2="" n="0">