https://img819.imageshack.us/img819/3225/pi2g.jpg

https://img849.imageshack.us/img849/7458/r76r.jpg

https://img856.imageshack.us/img856/3091/68bg.jpg

https://img856.imageshack.us/img856/2522/ff9x.jpg

1) v.d=3v.dk
dk=d/3

3v.d=3v.dk+v.dL
2v.d=v.dL
dL=2d

T+v.d=v.dL
2v.d=T+3v.dk
2v.d=T+v.d
T=v.d
2v.d=v.dL
dL=2d çıkıyor burdanda:)

dk/dL=d/3/2d=1/6

2)
https://img834.imageshack.us/img834/9740/3w90c.jpg

çok teşekkürler:)