- #1

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- Homework Statement
- prove that,

##(n+1)!≥ 2^n. n## when ## n≥3##

- Relevant Equations
- mathematics induction

this is a solution posted by my colleague, i have a problem in understanding how he got to conclude on equation (ii)

is this not supposed to be ##(k+2)!≥ 2^{k+1} (k+1)##

##(k+2)(k+1)!≥ 2^{k+1} (k+1)## ?...