u$()=$ sin$(10)+$sin$(103)+$sin$(106)$ a$.$ Design a filter $1()$ that attenuates the frequency components at $103$ and $106$ rad$/$s and retains the magnitude of the component at $10$ rad$/$s$.$ b$.$ Design a filter $2()$ that attenuates the frequency components at $10$ and $106$ rad$/$s and retains the magnitude of the component at $103$ rad$/$s$.$ c$.$ Design a filter $3()$ that attenuates the frequency components at $10$ and $103$ rad$/$s and retains the magnitude of the component at $106$ rad$/$s$.$