Soal Ujian Matematika IPS Kelas 12
Tahun 2018Soal Pilihan Ganda
18. Turunan pertama fungsi f(x) = (5x-3)3 adalah ...
A. f'(x) = 3 (5x-3)2
B. f'(x) = 5 (5x-3)2
C. f'(x) = 8 (5x-3)2
D. f'(x) = 15 (5x-3)2
E. f'(x) = 45 (5x-3)2
Jawaban : D
U = 5x -3
dU = 5 dx
f(x) = U3
f'(x) dx = 3 U2 dU
f'(x) dx = 3 U2 5 dx
f'(x) = 15 U2
f'(x) = 15 (5x-3)2
U = 5x -3
dU = 5 dx
f(x) = U3
f'(x) dx = 3 U2 dU
f'(x) dx = 3 U2 5 dx
f'(x) = 15 U2
f'(x) = 15 (5x-3)2
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