y(t)=7x(t)
y(d(t))=7(d(t)) so the impulse response is 7d(t)
H(s) = $ \int_{-\infty}^{\infty}7\delta(\tau)e^{-s\tau}d\tau $ $ H(s)=7 $
$ x(t)=cos(3*pi*t)cos(6*pi*t)\! $
a2=6 a3=6 a9=6 a10=6
