# Logs question

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#1
Ok i even have the mark scheme for this and i still dont understand whats going on

4.
Given that 0<x<4

log5 (4-x) -2log5 x = 1

Find the value of x

the mark scheme doesnt show the steps, its so confusing.

Help me out here?
0
10 years ago
#2
(Original post by SeekerOfKnowledge)
Ok i even have the mark scheme for this and i still dont understand whats going on

4.
Given that 0<x<4

log5 (4-x) -2log5 x = 1

Find the value of x

the mark scheme doesnt show the steps, its so confusing.

Help me out here?
Use two rules here. and . Also remember that is the inverse of
0
10 years ago
#3
(Original post by SeekerOfKnowledge)
log5 (4-x) -2log5 x = 1

Find the value of x

0
10 years ago
#4
(Original post by Pheylan)

...Use spoiler tags if you are going to put the full working. I could have done that, but what's the point? Did the OP learn anything? They may as well have inputted the question into Wolframalpha!
0
10 years ago
#5
0
3 years ago
#6
hi, can u help me with something? why did the logs suddenly disappear i dont get that.
0
3 years ago
#7
(Original post by learnerinaction)
hi, can u help me with something? why did the logs suddenly disappear i dont get that.
Please explain fully what you mean - why did the logs disappear from what?

It would be better if you started a new thread with your question since this one is 7 years old.
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