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Prove the following by using the principle of mathematical induction for all n∈N.11⋅4+14⋅7+17⋅10+⋯+1(3n−2)(3n+1)=n(3n+1)

Answer» Prove the following by using the principle of mathematical induction for all nN.

114+147+1710++1(3n2)(3n+1)=n(3n+1)


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