Question Number 64619 by Aysha Abedin last updated on 19/Jul/19
$${show}\:{that}\:\int_{−\alpha} ^{\alpha} {sinc}\left({x}\right){dx}=\int_{−\alpha} ^{\alpha} {sinc}^{\mathrm{2}} \left({x}\right){dx}=\Pi \\ $$
Commented by mathmax by abdo last updated on 19/Jul/19
$${what}\:{mean}\:{sinc}\left({x}\right)? \\ $$
Commented by Aysha Abedin last updated on 22/Jul/19
$$\frac{{sin}\left({x}\right)}{{x}} \\ $$