Simulasi Matematika IPS 2019
14. Jika 8log81 = p , maka nilai dari 2log12 = ...
A. 3p /4 + 2
B. 3/4p - 2
C. 4p/3 + 2
D. 3/4p + 2
E. 4/3p + 2
Jawaban : A
Diketahui :
8log81 = p
2^3log3^4 = p
4/3 2log3 = p
2log3 = 3p/4
2log12
= 2log(4 . 3)
= 2log 4 + 2log 3
= 2log2^2 + 3p/4
= 2 + 3p/4
= 3p /4 + 2
14. Jika 8log81 = p , maka nilai dari 2log12 = ...
A. 3p /4 + 2
B. 3/4p - 2
C. 4p/3 + 2
D. 3/4p + 2
E. 4/3p + 2
Jawaban : A
Diketahui :
8log81 = p
2^3log3^4 = p
4/3 2log3 = p
2log3 = 3p/4
2log12
= 2log(4 . 3)
= 2log 4 + 2log 3
= 2log2^2 + 3p/4
= 2 + 3p/4
= 3p /4 + 2
>>>Soal Simulasi IPS No 15
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