P log (x²-12) = p log X persamaan logaritma :(.... Question from @andreyisaliu4

August 2018 2 59 Report

P log (x²-12) = p log X persamaan logaritma :(

acim $jika : p_{log(x^2-12}) = p_{log(x)}, maka \\ x^2-12 =x \\ x^2-x-12=0 \\ (x-4)(x+3)=0 \\ x=4 atau x=-3$
syarat : x > 0
so, solusi berlaku hanya {x = 4}

0 votes Thanks 4

IcukSugiarto $~^{p}log\ (x^{2}-12) = ~^{p}log\ x\\\Rightarrow\\~~~~x^{2}-12 = x\\~~~~x^{2}-x-12 = 0\\~~~~(x+3)(x-4) = 0\\~~~~x+3=0~~~~~atau~~~~~x-4 = 0\\~~~~~~~~~x=-3~~~~~atau~~~~~~~~x=4\\\\\boxed{karena\ syarat\ x>0~~jadi\ untuk\ nilai\ x\ ialah\ 4}$

$=======================================\\\mathfrak{Catatan :}\\pada\ soal\ anda\ berlaku:\\\boxed{~^{a}log\ f(x) = ~^{a}log\ g(x)~~~~\Rightarrow~~~~f(x) = g(x)}\\syarat : a > 0,~~ a \neq 1,~~f(x)>0,~~g(x)>0$

1 votes Thanks 1

About Us

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

²log√(12x+4)=3.nilai 3x ?

10 per 2 akar 5 - 3 akar 2 =

........... Ihr auch in Munchen? . itu kira kira jawabanya apa ya?

²log 4X= 2 Tentukan persamaan logaritma :(

²Log X = ²log 15 :( persamaan logaritma

|X-2| dalam Persamaan Linear berapa :( (Nilai Mutlak)

Tolong bantu a dan b ya :( saya lemah

Tolong bantu ya :) masih belajar

Tentukan Harga X yang memehuni

F(x) 2pangkat X ,X=2

Recommend Questions

Life Enjoy

Get in touch

Social