B - Prírodovedecká fakulta - Univerzita Komenského
B - Prírodovedecká fakulta - Univerzita Komenského
B - Prírodovedecká fakulta - Univerzita Komenského
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Učebné texty z matematiky pre 1. ročník geológie<br />
230<br />
d. ( )<br />
90<br />
( ) 230<br />
( )<br />
x e. ( ) 231 230<br />
x<br />
Riešenie.<br />
f. ( ln x ) ''<br />
'<br />
a. ( sin x) ''<br />
''<br />
= ( cos x)<br />
''<br />
' = ( − sin x)<br />
''<br />
= ( − cos x)<br />
' = sin x<br />
x<br />
b. ( )<br />
( 20)<br />
x ( e )<br />
( 19)<br />
( ) ( ) x 18<br />
x<br />
e = e<br />
e = = ... =<br />
2x<br />
c. ( e )<br />
( 20)<br />
230<br />
d. ( x )<br />
230<br />
e. ( x )<br />
ln<br />
( 230)<br />
( 231)<br />
'''<br />
2x<br />
( e )<br />
( 19)<br />
( ) ( ) 2x<br />
18 20 2x<br />
e 2 e<br />
= 2 = 4 =<br />
229 ( x )<br />
( 229)<br />
228 ( x )<br />
( 228)<br />
= 230 = 230.<br />
229 = 230.<br />
229.<br />
228 x<br />
= 0<br />
1<br />
''<br />
⎛ ⎞<br />
⎜ ⎟<br />
⎝ x ⎠<br />
−1<br />
−2<br />
−3<br />
f. ( x ) = = ( x ) = ( − x ) = x<br />
g. ( sinh x) '''<br />
= ( cosh x)<br />
''=<br />
( sinh x)<br />
'=<br />
cosh x<br />
⎛ 1 ⎞<br />
2<br />
h. ( arcsin x)<br />
''=<br />
⎜ ⎟ = ( 1−<br />
x )<br />
a.<br />
b.<br />
lim −<br />
⎜<br />
⎝<br />
1−<br />
x<br />
2<br />
''<br />
'<br />
⎟<br />
⎠<br />
'<br />
2<br />
g. ( sinh x ) ''<br />
'<br />
h. ( arcsin x)<br />
''<br />
227 ( )<br />
( 227)<br />
= ... =<br />
−1/<br />
2<br />
2 −3<br />
/ 2 2<br />
2<br />
( ) '=<br />
−1/<br />
2.<br />
( 1−<br />
x ) ( − x ) '=<br />
x(<br />
1−<br />
x )<br />
Príklad 52. L’Hospitalovo pravidlo. Vypočítaj nasledovné limity:<br />
tan<br />
( 11ϕ<br />
)<br />
( ϕ)<br />
ϕ → π tan 5<br />
e x<br />
lim<br />
x→0<br />
e<br />
c. 2<br />
x −<br />
x→∞<br />
d.<br />
e.<br />
lim x<br />
lim<br />
x→0<br />
lim<br />
x→0<br />
− 1<br />
x<br />
arcsin x<br />
x<br />
sin x<br />
x<br />
f.<br />
g.<br />
lim<br />
ϕ →∞<br />
( arctanϕ<br />
− π / 2)<br />
cos<br />
3<br />
ϕ<br />
( 3ϕ<br />
)<br />
( ϕ )<br />
lim<br />
ϕ →π<br />
/ 2 cos 9<br />
ln x<br />
h. lim<br />
→∞<br />
x<br />
i.<br />
x e<br />
cotg<br />
( ϕ )<br />
( ϕ )<br />
lim<br />
ϕ →π<br />
/ 2 cotg 5<br />
j.<br />
k.<br />
l.<br />
m.<br />
n.<br />
lim<br />
x→1<br />
1<br />
lim<br />
x −1<br />
sin<br />
− x<br />
2<br />
( 3ϕ<br />
)<br />
( − ϕ )<br />
ϕ →π<br />
sin 8<br />
lim<br />
x→0<br />
sinh x<br />
x<br />
cosϕ<br />
+ 1<br />
lim<br />
ϕ →π<br />
sinϕ<br />
lim →<br />
x<br />
0<br />
sinh<br />
x<br />
2<br />
x<br />
230!<br />
−3<br />
/ 2<br />
=<br />
x<br />
( ) 3 2<br />
1−<br />
x<br />
1 + x<br />
lim<br />
x<br />
o.<br />
x→∞<br />
2<br />
p.<br />
q.<br />
r.<br />
s.<br />
sinh<br />
2<br />
2<br />
lim<br />
x→<br />
2<br />
x<br />
x<br />
0 cosh −1<br />
sinh x<br />
lim<br />
x→0 sin x<br />
2<br />
e x −<br />
lim<br />
x→0<br />
x<br />
lim<br />
x→0 ln x<br />
−1<br />
x