mathematical induction question

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jthrowerr

Joined Oct 17, 2012
2
This is the question I need help with that I got wrong on my midterm...

Prove the following statement using mathematical induction:

show n! is greater than or equal to 3 to the power of (n+1)
 

WBahn

Joined Mar 31, 2012
26,398
Mathematical induction is basically the following:

1) Show that if it is true for n, that it is true for n+1.
2) Show that it is true for a specific value of n (usually n=0 or n=1)

Of course, if you can find a single value of n for which the assertion is not true, then that makes everything much easier because you are done.

So, is the assertion true for, say, n=1?
 
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