i+5 DE EXPRFSSIOW E 



Deinde (i pro m fcribatur (2i-i)n-m } ob fm }* 1 '^ ~™ fr 

 ~ fin ^ 7T, erir 



jfaf-ijfc-y^/y _ f x m -~ t jfx _ -r 



J (7?L )n-m *" m_ _ m 



(i-^)" (i-x n )* »&n-li~~ 



y**-*>-™~ x Jj. _ y m - l dy _ w 



Denique erit eodem modo 



J (z'-i) i-K^ V 



(l-#~) ~~~ {l-* 71 }"* »UQ. «T 



jC^— ^i^-Vjr __ /•/"!_>___ -~.i 



Coroll. 5. 



50. Cum formula integralis jf — — - faepius oe- 



X ' j y * 



eurrat , operae pretium erit, eius valores pro praecipuis 

 cafibus exponere, pofito y zz cv:. Erit ergo 



JTTy}- 26zr= 7 ob fin - 7 = * 



/•: dy __ J __?JE „ r 7T V3. 



