Full text: Vorlesungen über Differential- und Integralrechnung (1. Band)

78 
Erster Teil. Differential-Rechnung. 
3)i>j /l + -A 
1 -I 
~Y X ' 
yx 
1 L_ 4x]/x -f- yx 
4) JD(ax + b)Yax 2 -{- 2bx -f- c = a ]/a# 2 + 2hx + c 
{ax-|-&) 2 2 {ax -(- b) 2 -f- ac— 6 2 
+ 
yax*2hx -j- c fax- -j- 26ic —|— c 
5^ jr) l/« 2 4~ ¿c 2 -f- ]/< 
j/a 2 -f- a; 2 — ya* — x 2 
— ]/« 2 — ¿c 2 ) f^ g \ 
Vya 2 +£c 2 ya 2 —a: 2 / 
(Va 2 4- x* + 1/a 2 - x*) ( 4- * \ 
J \y a *+ x*^ 
2 a 2 
1 + 
(l/a 2 -{- ic 2 — l/a 2 — ic 2 ) 2 
a 2 
|/a? -)- a 4- yx -f- h yx -j- a — "j/ic —|— & 
yx -j- a — l/a: -J- & ]/« -f- a + l/a; -f- & 
(l/a? + a — l/a; + 6) f -—-* \ L \ 
\2yx+a^ 2 yx -f- &/ 
(V^M + y^T&) f—7^= 7*= 
\2l/a:-)-a 2 l/a: -j- & 
(l/a; -(- a — yx + Vf 
1 
7) De«* 2 +2ö*+c = 2(ax + b)e ax2+2bx+c . 
8) Dx m e~ x2 = mx m ~ 1 e~ x ' 1 ~ 2x m+1 e~ x *= x m ~ 1 e~ x2 (m — 2x 2 ). 
a\ 7 • a cos ax . 
y) Dl sin a# = — .== a cotg ax. 
' sin ax ° 
1 7^7 a sin ax . 
10) Dl cos ax = = — a tg ax. 
' cos ax ö 
1 , x 
— sec 2 — 
11) DZ tg = 2 2 1 
. a:
	        
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