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23.<br />

24.<br />

x →0<br />

2<br />

( x −1)sin6x<br />

lim = ... .<br />

3 2<br />

x + 3x + 2x<br />

A. 5 B. 3 C. 2 D. . –2 E. – 3<br />

tan( x−1) sin(1 − x)<br />

lim = ... .<br />

x→1<br />

2<br />

x − 2x+ 1<br />

A. ∞ B. 8 C. 6 D. 1 E. 0<br />

2<br />

25. ( x x x )<br />

lim 3 −2− 9 − 2 + 5 = ... .<br />

x →∞<br />

26. Jika<br />

A. – 5<br />

6<br />

A. – 4<br />

5<br />

B. – 7<br />

3<br />

C. – 5<br />

3<br />

2<br />

f( x) − f(3)<br />

f( x) = x , maka lim = ... .<br />

x→3<br />

x − 3<br />

B. 0 C.<br />

27. Jika f( x) = 6x+ 7 , maka nilai f '(3) = K .<br />

A.<br />

28. Jika<br />

2<br />

3<br />

2<br />

B.<br />

3<br />

5<br />

C.<br />

2x−1 f( x)<br />

= , maka f '( x ) = ... .<br />

x<br />

x<br />

A. 3 x + 2<br />

D. 5 x − 2<br />

2x<br />

x<br />

x<br />

B. 5 x − 2<br />

E. 3<br />

2x<br />

2 x<br />

C. 3 x + 2<br />

x<br />

29. Turunan dari<br />

A.<br />

B.<br />

4<br />

3 cos<br />

y = x x adalah ... .<br />

Latihan Ulangan Umum Semester 2 341<br />

2<br />

5<br />

5<br />

7<br />

x −<br />

2 x<br />

x<br />

2<br />

3<br />

−12x sin x<br />

3<br />

D. 3<br />

−<br />

4<br />

12x sin x 3x cos x<br />

−12x cos x<br />

E. 3 4<br />

12x cos x−3x sin x<br />

C. 4 3<br />

3x cosx+ 12x sinx<br />

D.<br />

D.<br />

D.<br />

7<br />

3<br />

5<br />

2<br />

7<br />

9<br />

E..<br />

5<br />

6<br />

E. ∞<br />

E.<br />

9<br />

11

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