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n is the number of iterations.
It is "LaTeX" and I don't know it very well.
ryos, what's n?
I think this one is cleaner:
Is this it?
2^(k+1) - 2^(k-1)
I couldn't get that to work out. Are you sure?
Don't ask me how I got this, I couldn't tell you. Just a bunch of guessing and checking:
I know all that, it's just this problem I can't get.
n <- end of the sequence
I'm new to sigma notation and I'm supposed to put 3 + 6+ 12+ 24 + 48 in it, but I really can't figure out how to do it. I've tried for so long, but nothing I try works. Can come help?