150 JMlifcellanea Curiofa. 



THEOL IV, 



Let A be the Area of a Curve whofe Ab- 



m 

 x 



fciffe is and whofe Ordinate is — • — — ; 



\/ rr<—xx 



let B be the Area of a Curve whofe Abfcifle 



m — 2n 

 x 



is alfo x 0 and its Ordinate — > • Then 



\/rr—x. 



xx 



will A-r^B into — into— 3 into — ^ 



m 4 m~ 4 



into^=|&c. = P. 



m — 6 



*~ -• x y — — Q, 



m 



— — into — - x y = — . R. 



w — 2 »i 



, into into — — x y~ ~S. 



m~ 4 »x — 2 - 



r 6 . . m — 1 • ' m — 3 . m—t, m—j 



— - into — - into - — - into x y 



m m — 2 m — 4 < 



COROL 



