- #1
Gear2d
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Homework Statement
I am not sure if this is the right spot to post this, but how would I go about proving this by induction:
f(n) = { 6, n=1
5n+1, otherwise
Homework Equations
The Attempt at a Solution
Base case:
n=1, 5(1) + 1 = 6
Induction Hypothesis:
6 + 11 + 16 + ... + k = 5k + 1
now put k+1 in for k and get 5(k+1) +1 = 5k + 6
after this I am lost.