||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
g(x) = (x**2)/2
a0 = integrate(g(x)/pi , (x,-pi,pi))
G(x)=a0
for n in range(1,8):
	
	an = integrate(g(x)*cos(n*x)/pi, (x,-pi,pi))
	bn = integrate(g(x)*sin(n*x)/pi, (x,-pi,pi))	
	G(x) = G(x)+an*cos(n*pi/pi*x) + bn*sin(n*pi/pi*x)
print G(x)
}}}

/* code_ends */

 * '''Solution by''': 
   * SHUBHAM MITTAL, STUDENT, IIT ROORKEE
   * AMIT TEWARI, STUDENT, IIT ROORKEE
   * RACHIT JHA, STUDENT, IIT ROORKEE
   * ARNAB BASU, STUDENT, IIT ROORKEE