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1. y=2x/ln4

P (ln4,2) Q (ln16,4)

Calculate the length, to 3 significant figures, of the line segment PQ.

Can anyone help?
2. well, it's a straight line. try drawing it and then using pythagoras..
3. (Original post by Totally Tom)
well, it's a straight line. try drawing it and then using pythagoras..
Ohh, pythagoras. Thanks, I'll give that a go
4. (Original post by Totally Tom)
well, it's a straight line. try drawing it and then using pythagoras..
I couldnt do it.. I got 3.19 which is wrong. Any ideas?
5. (Original post by JosephinaMarley)
I couldnt do it.. I got 3.19 which is wrong. Any ideas?
Use the distance formula;

Remember your rules of logs as well.
6. root((log4)^2+4)?
7. Thanks. Done it now x

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