Recent content by Phyphy

sorry, it is curve not circle ? But I foun answer, I do sqare root of y and find y' and let it be a tangent's coeficent, and put it in a of y=ax+b, i found equation of y. :smile: :smile:

Could you help me in thread of me of another page, please please :frown:

:frown: sorry, N(young N)=2N(old N) Same for N=3N

I had x^2+y^2=Ae^x, how can i find out the cirle pass (0,1) and perpendicular to that cirle ? :frown:

Rabit bith rate is ~1/N which N is rabit population, after 2 hours, N=2N but after how many hours N=3N ? :frown: thank you