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**Logarithms**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,460

1. Find the value of

2. Find the value of x if

3. What is the value of

4. Show that

.

5. Show that xyz = 1 if

6. Show that

.

7. Show that

8. Show that xyz+1 = 2yz if

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,654

Hi ganesh;

This is my answer to for problem 2

We can change the original problem to read:

So x = 8

Is this OK?

bobbym

*Last edited by bobbym (2009-04-15 18:35:32)*

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**nurshodiq****Member**- Registered: 2009-03-29
- Posts: 12

this is my answer for number

#3.

#4.

(i)+(ii)+(iii)

*Last edited by nurshodiq (2009-05-30 02:23:15)*

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**Fruityloop****Member**- Registered: 2009-05-18
- Posts: 135

The answer to #1.

We have

We set p equal to it and take the log of both sides

log p = log (

)log p =

log p =

log p = 0

p = 1:)

*Last edited by Fruityloop (2009-05-31 21:11:06)*

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,654

#7

Take

and*Last edited by bobbym (2009-05-31 22:09:18)*

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.****No great discovery was ever made without a bold guess. **

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**Logarithms**