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# Question on sequences watch

1. Need help with ii),iii), and iv).
2. (Original post by Alb1)
Need help with ii),iii), and iv).
Part 2 - just construct 3 equations with these 3 variables A, B and C and solve this system of equations

Part 3 - just a simple quadratic inequality for you to solve once you have A, B and C

Part 4 - Write down the first few terms and see if you can spot a pattern
3. (Original post by RDKGames)
Part 2 - just construct 3 equations with these 3 variables A, B and C and solve this system of equations

Part 3 - just a simple quadratic inequality for you to solve once you have A, B and C

Part 4 - Write down the first few terms and see if you can spot a pattern

I got A=1/3 B=0 C=2/3 for ii) but I think I might be wrong and wanted to check if I was right or wrong before continuing.
4. (Original post by Alb1)
I got A=1/3 B=0 C=2/3 for ii) but I think I might be wrong and wanted to check if I was right or wrong before continuing.
That is incorrect. You can always check them yourself by running them through the original system of equations. Try again:

5. (Original post by RDKGames)
That is incorrect. You can always check them yourself by running them through the original system of equations. Try again:

Ohh I just found the stupid mistake I made, I got 1,-1,1 thanks for your help.

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