I

786 A N A L T S I s.

Et quia A A. a O c/o AP a M

A<j:AO=«P:PMa; tn—a — a- ; yaij = — mx

ay = m=:pxa—x y

Reducantur fractiones ay—pxa — x y

•d eandem denominationem, et denominator idemtollatur, prodeunt

ciyy — cipx—pxxyy— px — pxxa

Scilicet in ellipji quadratum femiordinat at at qualaeft reffiangulo ex parametro in abfciffam, denitaalio reffangulo, quod jit ex abfcijja in quartam pro-portionalem ad diametrum , parametrum et ah-Jcijjam. a:p=:x:px

a

CONSECT ARIVM. I.

XCII. Refoluta aequatione prioreay^zxxapx — px a c= (ax-~x z )p

in analogiam, y*: ax — xx=.p; a

quadratum femiordinatue ad reclangulum ex Teg-mentis diametri habet rationem eandem, quampa-.rameterad diametrum.

CONSECTAR1VM II.

XCIII. Quando .r=:AC == %a y (Fig. 3o.)fietanalogia

yy:$aat=:p:<t

>

• 4

Cuiui