Dec 27, 2013 #1 Albert1 Messages 1,221 Reaction score 0 View attachment 1809 Attachments area of circle O.jpg 15 KB · Views: 117
Dec 28, 2013 #2 mente oscura Messages 167 Reaction score 0 Albert said: https://www.physicsforums.com/attachments/1809 Hello. Spoiler \overline{DP}=\dfrac{3*12}{4}=9 \overline{O \overline{ab}}=6.5-4=2.5 \overline{OA}=\sqrt{(7.5)^2+(2.5)^2} area=62.5 \pi Regards.
Albert said: https://www.physicsforums.com/attachments/1809 Hello. Spoiler \overline{DP}=\dfrac{3*12}{4}=9 \overline{O \overline{ab}}=6.5-4=2.5 \overline{OA}=\sqrt{(7.5)^2+(2.5)^2} area=62.5 \pi Regards.
Thread 'There are only finitely many primes' I just saw this one. If there are finitely many primes, then ##0<\prod_{p}\sin(\frac\pi p)=\prod_p\sin\left(\frac{\pi(1+2\prod_q q)}p\right)=0## Of course it is in a way just a variation of Euclid's idea, but it is a one liner. View full post »
I just saw this one. If there are finitely many primes, then ##0<\prod_{p}\sin(\frac\pi p)=\prod_p\sin\left(\frac{\pi(1+2\prod_q q)}p\right)=0## Of course it is in a way just a variation of Euclid's idea, but it is a one liner.