Latihan Kompetensi Siswa 2
Kelas XI
SMA Kelas XI
Buku Sukino Kelompok Wajib
Kunci Jawaban Matematika Buku Sukino Kelas XI Kelompok Wajib
RUKO 1
18. Jika T(t) = 3√t , maka T(t) - 1/(3t T ' (t)) = ...
a. 0
b. 1
c. 23√t
d. 33√t
e. t3√t
Jawaban :
T(t) = 3√t
T(t) = t1/3
T ' (t) = 1/3 . t-2/3
T(t) - 1/(3t T ' (t))
= t1/3 - 1 / (3t . 1/3 . t-2/3)
= t1/3 - 1 / (t . t-2/3)
= t1/3 - 1 / t1/3
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