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    Mathematical induction

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    Use the Principle of Mathematical Induction to prove that n3 > n2 + 3 for all n ≥ 2.

    Use mathematical induction to prove that every amount of postage of six cents or more
    can be formed using 3-cent and 4-cent stamps.

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    a) Show using Principle of Mathematical Induction that:

    For n=2:

    Therefore true for n=2.

    Now if n=k was true then show for n=k+1. If n=k then , so let's start with

    Therefore true for n=k+1

    Thus ...

    Solution Summary

    This shows how to use mathematical induction in a proof. The principle of mathematical induction is proved.