Question Number 159664 by mnjuly1970 last updated on 19/Nov/21
$$ \\ $$$$\:\:\:\:\:\:{prove}\:\:{that}\:: \\ $$$$\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\Phi\:=\:\int_{\mathrm{0}} ^{\:\infty} \frac{\:{sin}^{\:\mathrm{4}} \left({x}\right)}{{x}^{\:\mathrm{3}} }{dx}=\:\:{ln}\left(\mathrm{2}\right) \\ $$$$\:\:\:−−−−−−−−− \\ $$$$ \\ $$
Commented by chengulapetrom last updated on 19/Nov/21
Commented by chengulapetrom last updated on 19/Nov/21
$${question}\:{no}\mathrm{2} \\ $$