Prove that n!<n^n for n≥2

Step-by-step explanation:

Hello,

We will prove it by induction.

Step 1 - for n=2

2!=2*1=2

2^2=4

and 2 < 4 so this is true for n=2

Step2 - We assume that this is true for k and we have to prove it for k+1.

Induction hypothesis is

We use the induction hypothesis and we we can write that

so, we prove it for k+1

Step 3- conclusion

for n >= 2 we just proved that

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step-by-step explanation: