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pembahasan SMA IPA--p4tkmatematika-org

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28. Nilai<br />

1<br />

A.<br />

4<br />

1<br />

B.<br />

2<br />

C. 2<br />

D. 4<br />

E.<br />

2<br />

2<br />

x 2<br />

lim x<br />

x<br />

Penyelesaian:<br />

2<br />

x 2<br />

Jadi<br />

29. Nilai<br />

A. 2<br />

B. 1<br />

2<br />

x<br />

2<br />

2<br />

8<br />

4<br />

8 2(<br />

x<br />

=<br />

4 ( x 2)(<br />

x<br />

2<br />

x 2<br />

lim x<br />

x<br />

1<br />

C. 2<br />

1<br />

D. 3<br />

E. -1<br />

lim x 0<br />

Penyelesaian:<br />

2<br />

8<br />

4<br />

sin x sin 5x<br />

6x<br />

sin x sin 5x<br />

sin x<br />

=<br />

6x<br />

6x<br />

Jadi nilai<br />

lim x 0<br />

2)<br />

= ...<br />

=<br />

2)<br />

lim x 2<br />

= ...<br />

sin 5x<br />

6x<br />

sin x sin 5x<br />

6x<br />

2<br />

x<br />

8<br />

4<br />

2<br />

x 2<br />

=<br />

=<br />

2<br />

x 2<br />

1<br />

=<br />

2<br />

lim x 0<br />

sin x<br />

6x<br />

sin 5x<br />

6x<br />

Jawaban : B

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