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17 December, 01:45
Nth term of 7 9 11 13 15
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Jefferson Harrison
17 December, 03:22
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The secret formula seems to be: 7 plus 2 plus 2 plus 2 ...
so 7+2 ...
but the plus 2 is repeated!
so
7 + (2*x)
how many times is it repeated? 7 is the first term, 9 is the second, but it's repeated only once ... so the number of the term - 1!
like this:
7 + (2 * (n-1))
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