# FP2 june 05 q8bWatch

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#1
Here is the ms

http://www.freeexampapers.com/A%20Le...%2005%20MS.pdf

How are the last 2 statements the same. Surely you cant take the +/- outside the logs
0
11 years ago
#2
You proved it in the first part.

So

Becomes either or
0
11 years ago
#3
Although I was very busy with FP1. I thought I will help you.

So you have two of 1 +root and 1-root.

Write ln (1 - root ) and ofcourse separate the x present. so you two ln equation. ln (1-root) -ln(x)

Lets deal with ln(1-root)

write -ln ( 1 / 1-root) if you know what I mean

Then multiply both top and bottom with 1 + root. And you will be fine.

back to FP1.

.A.
0
11 years ago
#4
(Original post by 01perryd)
Here is the ms

http://www.freeexampapers.com/A%20Le...%2005%20MS.pdf

How are the last 2 statements the same. Surely you cant take the +/- outside the logs
i am too slow =[
0
#5
(Original post by insparato)
You proved it in the first part.

So

Becomes either or
Thanks a lot. I see it now. You didn't even need to do it to get the mark i was just curious
0
11 years ago
#6
lol ive just done this paper! i was going to ask this question exactly! thanks!! x
0
11 years ago
#7
No probs. Usually if they ask things like that in the first part, they want you to use it somewhere later on.
0
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