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Učebné texty z matematiky pre 1. ročník geológie<br />

a. 654<br />

b.<br />

c.<br />

d.<br />

e.<br />

84<br />

7<br />

x<br />

2,<br />

2<br />

6 −<br />

x<br />

2x<br />

15<br />

x / 5<br />

e<br />

f. Alog 3 2x<br />

g.<br />

Príklady<br />

Príklad 46. Elementárne funkcie. Vypočítaj derivácie nasledovných funkcií:<br />

3<br />

ln<br />

2<br />

x<br />

B<br />

h. 2 sin(<br />

3x)<br />

Riešenie.<br />

a. (654)’=0<br />

' 7x<br />

7 6<br />

b. ( x ) =<br />

6<br />

'<br />

2,<br />

2<br />

13,<br />

2<br />

−2,<br />

2<br />

−3,<br />

2<br />

−3,<br />

2<br />

c. ( x ) = − × x = − x<br />

6<br />

i. 100 cos(<br />

1,<br />

1x)<br />

2<br />

5<br />

j. tan(<br />

5x)<br />

k. P cotg ( Sx)<br />

l. 2 arcsin(<br />

x / 5)<br />

5<br />

m. 1 , 1R<br />

arccos(<br />

W x)<br />

n. Aarctan ( xB)<br />

2x<br />

2x<br />

2x<br />

d. ( 15 ) '=<br />

15 ln15<br />

× ( 2x)<br />

'=<br />

2 ln15<br />

× 15<br />

x /<br />

e<br />

e =<br />

5<br />

x / 5 x / 5<br />

e. ( ) '=<br />

e × ( x / 5)<br />

'<br />

1 A<br />

A log 3<br />

=<br />

2x<br />

ln 3 x ln 3<br />

f. ( 2x)<br />

'=<br />

A ( 2x)<br />

'<br />

⎛ 3x<br />

'<br />

⎞ 1<br />

⎜ B ⎟<br />

=<br />

⎝ 2 ⎠ 3x<br />

/ 2<br />

g. ln = B ( 3x<br />

/ 2)<br />

'<br />

5<br />

2<br />

o. C arccotg ( D x)<br />

B<br />

x<br />

h. ( 2 sin(<br />

3x)<br />

) ' = 2 cos(<br />

3x)<br />

× ( 3x)<br />

' = 6 cos(<br />

3x)<br />

i. ( 100 cos(<br />

1,<br />

1x)<br />

) ' =<br />

−100sin(<br />

1,<br />

1x)<br />

× ( 1,<br />

1x)<br />

' = −110sin(<br />

1,<br />

1x)<br />

p. 6 sinh(<br />

2x)<br />

⎛ x ⎞<br />

q. 2,<br />

5cosh⎜<br />

⎟<br />

⎝ 8 ⎠<br />

r. 8 tanh(<br />

5x)<br />

s. F cotgh ( xG)

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