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Prove by using the principle of mathematical induction ∀n∈N 2+5+8+11+...+(3n−1)=12n(3n+1) Or Using principle of mathematical induction, prove that 4n+15n−1is divisible by 9 for all natural numbers n. |
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Answer» Prove by using the principle of mathematical induction ∀n∈N 2+5+8+11+...+(3n−1)=12n(3n+1) Or Using principle of mathematical induction, prove that 4n+15n−1is divisible by 9 for all natural numbers n. |
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