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Prove the following by using the principle of mathematical induction for all n∈N1⋅3+2⋅32+3⋅33+⋯+n⋅3n=(2n−1)3n+1+34

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

13+232+333++n3n=(2n1)3n+1+34


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