- #1

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Help, can someone please give me advice or hints on how to do this question.

http://tinypic.com/f44fnr.jpg"

I would provide working but I don't even know where to start

We are supposed to use this formula:

http://tinypic.com/f44kza.jpg"

http://tinypic.com/f44fnr.jpg"

I would provide working but I don't even know where to start

We are supposed to use this formula:

http://tinypic.com/f44kza.jpg"

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