(adsbygoogle = window.adsbygoogle || []).push({}); [SOLVED] Prove it

We are starting to do some proofs in my class. I am having a problem starting the problem:

n>3 then 2n+1<2^n

Can I start the proof by using contradicition or should I try to apply induction? Any help would be cool, thanks.

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# Prove it

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