Jawaban:
cmiiw
Penjelasan dengan langkah-langkah:
2 log 8x = x/2 log 2y = y log x^10
y = x^2
maka,
y log x^10
= x^2 log x^10
= 10/2 . x log x
= 5
2 log 8x = y log x^10
2 log 8x = 5
2^5 = 8x
32 = 8x
x = 4
y = 4^2
y = 16
x^4 - y^3
= 4^4 - 16^3
= 256 - 4.096
= -3.840
[tex]-3840[/tex]
[tex]{}^{2} log \:8x={}^{\frac{x}{2} }log \: 2y\:={}^{y}\: log \:{x}^{10}[/tex]
Dengan
[tex]y=x^2\\\\[/tex]
[tex]^y\:Log\:x^{10}=^{x^2}\:Log\:x^{10}[/tex]
========
Ingat,!
[tex]{}^{a^n}\: Log\: p^m=\frac{m}{n}\:{}^a\: Log\:p[/tex]
=======
[tex]{}^{\frac{10}{2}}\:{}^x\: Log\:x[/tex]
Ingat,Lagi!
[tex]^a\: Log\:a=1[/tex]
======
[tex]^y\: Log\:x^{10}=5\\\\[/tex]
[tex]^2\:Log\:8x=^y\: Log x^{10}[/tex]
[tex]^2\: Log\:8x=5[/tex]
[tex]a^y=x→^a\: Log\:x=y[/tex]
[tex]2^5=8x[/tex]
[tex]32=8x[/tex]
[tex]x=\frac{32}{8}[/tex]
[tex]x=4\\\\[/tex]
[tex]^{\frac{x}{2}}\:Log\:2y=^y\: Log\:x^{10}[/tex]
[tex]^{\frac{4}{2}}\:Log\:2y=5[/tex]
[tex]^2\: Log\:2y=5[/tex]
[tex]2y=2^5[/tex]
[tex]y=\frac{32}{2}[/tex]
[tex]y=16\\\\[/tex]
[tex]x^4-y^3=4^4-16^3=256-4096=-3840[/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
cmiiw
Penjelasan dengan langkah-langkah:
2 log 8x = x/2 log 2y = y log x^10
y = x^2
maka,
y log x^10
= x^2 log x^10
= 10/2 . x log x
= 5
2 log 8x = y log x^10
2 log 8x = 5
2^5 = 8x
32 = 8x
x = 4
y = x^2
y = 4^2
y = 16
x^4 - y^3
= 4^4 - 16^3
= 256 - 4.096
= -3.840
Jawaban:
[tex]-3840[/tex]
Penjelasan dengan langkah-langkah:
[tex]{}^{2} log \:8x={}^{\frac{x}{2} }log \: 2y\:={}^{y}\: log \:{x}^{10}[/tex]
Dengan
[tex]y=x^2\\\\[/tex]
[tex]^y\:Log\:x^{10}=^{x^2}\:Log\:x^{10}[/tex]
========
Ingat,!
[tex]{}^{a^n}\: Log\: p^m=\frac{m}{n}\:{}^a\: Log\:p[/tex]
=======
[tex]{}^{\frac{10}{2}}\:{}^x\: Log\:x[/tex]
=======
Ingat,Lagi!
[tex]^a\: Log\:a=1[/tex]
======
[tex]^y\: Log\:x^{10}=5\\\\[/tex]
[tex]^2\:Log\:8x=^y\: Log x^{10}[/tex]
[tex]^2\: Log\:8x=5[/tex]
======
Ingat,!
[tex]a^y=x→^a\: Log\:x=y[/tex]
======
[tex]2^5=8x[/tex]
[tex]32=8x[/tex]
[tex]x=\frac{32}{8}[/tex]
[tex]x=4\\\\[/tex]
[tex]^{\frac{x}{2}}\:Log\:2y=^y\: Log\:x^{10}[/tex]
[tex]^{\frac{4}{2}}\:Log\:2y=5[/tex]
[tex]^2\: Log\:2y=5[/tex]
[tex]2y=2^5[/tex]
[tex]y=\frac{32}{2}[/tex]
[tex]y=16\\\\[/tex]
[tex]x^4-y^3=4^4-16^3=256-4096=-3840[/tex]