I need help with these four questions (If possible, can it be explained in steps): 1. Work out 2. Given that , show that 3. Prove that 4. Find the sum of the series
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Originally Posted by Air I need help with these four questions (If possible, can it be explained in steps): 1. Work out I suppose that you know that: So: and I leave the simplification of this to you. RonL
Last edited by CaptainBlack; September 16th 2007 at 06:59 AM.
Originally Posted by Air 3. Prove that
Originally Posted by Air 2. Given that , show that RonL
Originally Posted by Air 4. Find the sum of the series Group pairs of terms: Which is a sum you should be able to do. RonL
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