Find the Fourier series expansion of ๐(๐ฅ) = 2๐ฅ โ ๐ฅ2 , ๐๐ ( 0, 3) Find the Fourier series expansion of ๐(๐ฅ) = 2๐ฅ โ ๐ฅ2 , ๐๐ ( 0, 3) Answer:-