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Logarithms watch

1. hey how do you find the value of:

loga(1)???
2. (Original post by kickboxer 98)
hey how do you find the value of:

loga(1)???
Use the definition of the logarithm, find such that .
3. (Original post by EricPiphany)
Use the definition of the logarithm, find such that .
i thought the answer was 1 but i dont know?
4. Anything to the power of 0 = 1
5. (Original post by kickboxer 98)
i thought the answer was 1 but i dont know?
The answer isn't 1. What do you know about the log function?
6. (Original post by kickboxer 98)
hey how do you find the value of:

loga(1)???

What is x?

EDIT: They beat me to it
anything to the power of 0 is 1?
8. (Original post by Bobjim12)
Anything to the power of 0 = 1
thats what i thought
9. (Original post by kickboxer 98)
anything to the power of 0 is 1?
Yes, precisely! :-)
10. okay, now... if i had:

2(loga 6) -1

how would that expand to remove the brakets?
11. (Original post by kickboxer 98)

2(loga 6) -1

how would that expand to remove the brakets?
12. (Original post by Zacken)
what happened to the -1?

question is:
loga X = 2(loa 6)-1

find X
13. (Original post by kickboxer 98)
what happened to the -1?

question is:
loga X = 2(loa 6)-1

find X
I was only simplifying the log term for you.

You want to get both sides in terms of so you can 'cancel' it out.

14. I suggest you familiarise yourself with the log rules a bit before you attempt the questions you are currently working on

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