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# C1 Sigma sequences helpp Watch

1. Basically that last part I have no idea how to do, I know that sigma is the total that's it tbh. Help would be appreciated tyy
2. The summation is basically just .
So you're just solving .
3. (k=1+(k=2)+(k=3)+(k=4), put them all into each of the equations as you go along then make the whole sum equal to 43 and solve it like you would with any other equation

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4. (Original post by junayd1998)

Basically that last part I have no idea how to do, I know that sigma is the total that's it tbh. Help would be appreciated tyy
As mentioned above, and you can express each term in terms of then solve for it.

Updated: October 12, 2016
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