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Derivacije - Građevinski fakultet

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Graðevinski <strong>fakultet</strong><br />

Sveuèiliðta u Mostaru<br />

http://www.sve-mo.ba/gf/<br />

Strojarski <strong>fakultet</strong><br />

Sveuèiliðta u Mostaru<br />

http://www.sve-mo.ba/sf/<br />

6.<br />

y = 1+<br />

3<br />

x<br />

é<br />

êy'<br />

=<br />

êë<br />

6<br />

x<br />

3 2<br />

1<br />

1+<br />

3<br />

ù<br />

ú<br />

x úû<br />

7. y = (cos 3x) 5 [y' = -15cos 4 3x×sin 3x]<br />

8. y = (x×sin x) 3 [y' = 3(x×sin x) 2 (sin x + x×cos x)]<br />

9.<br />

x<br />

y = ln ctg<br />

2<br />

é<br />

ê<br />

y' = -<br />

ë<br />

1<br />

sin x<br />

ù<br />

ú<br />

û<br />

10. 3<br />

y = sin 2x<br />

é 2cos 2x<br />

êy'<br />

=<br />

3 2<br />

ë 3 sin 2x<br />

ù<br />

ú<br />

û<br />

11.<br />

x<br />

e<br />

y = (sin x - cos x)<br />

[y' = e x ×sin x]<br />

2<br />

12. y = 2x×sin x + (2 - x 2 )×cos x [y' = x 2 ×sin x]<br />

13.<br />

1 2<br />

1<br />

y = (x + 1) × arctg x - (x + 1) [y' = x×arctg x]<br />

2<br />

2<br />

14. y = x×(sin ln x - cos ln x) [y' = 2sin ln x]<br />

15.<br />

y =<br />

3<br />

x æ 1 ö<br />

çln x - ÷<br />

3 è 3 ø<br />

[y' = x 2 ×ln x]<br />

16. 2<br />

y = x 1+<br />

x<br />

17.<br />

y =<br />

1<br />

(x<br />

3<br />

2<br />

+ 2)<br />

x<br />

2<br />

-1<br />

é<br />

êy'<br />

=<br />

ë<br />

é<br />

êy'<br />

=<br />

ë<br />

1+<br />

2x<br />

1+<br />

x<br />

2<br />

2<br />

ù<br />

ú<br />

û<br />

3<br />

x ù<br />

ú<br />

2<br />

x -1û<br />

18. y= x×tg x + ln cos x<br />

é<br />

ê<br />

ë<br />

x<br />

' =<br />

cos<br />

y<br />

2<br />

ù<br />

x ú<br />

û<br />

19. 1<br />

2<br />

2 -x<br />

2<br />

x<br />

y = - (x + 1) × e<br />

[ x 3 -<br />

y' = e ]<br />

2<br />

20. y = ln( e )<br />

x + 1+<br />

e 2x<br />

é<br />

êy'<br />

=<br />

ë<br />

e<br />

x<br />

1+<br />

e<br />

21. y = 2( sin x - x cos x)<br />

[ y ' = sin x]<br />

2x<br />

ù<br />

ú<br />

û<br />

Matematika 1 – zadaci za vježbu | derivacije 2

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