Sunday, December 30, 2018

Soal Simulasi Ujian IPS Kelas 12 no 37

Soal Simulasi Ujian IPS Kelas 12

Tahun 2018

Soal Pilihan Ganda

37. Turunan pertama dari f(x) = (3x-12)10 adalah ...

A. f ' (x) = 3 (3x-12)9
B. f ' (x) = 10 (3x-12)9
C. f ' (x) = 30 (3x-12)9
D. f ' (x) = 90 (3x-12)9
E. f ' (x) = 120 (3x-12)9

Jawaban : C

misalkan :
U = 3x - 12
dU = 3 dx

f (x) = (3x-12)10
f (x) = U10
f '(x) = 10 U9 dU
f '(x) = 10 U9 3 dx
f '(x) = 30 U9
f '(x) = 30 (3x-12)9

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