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By the principal of mathematic induction...

By the principal of mathematic induction, prove that, for `nge1`
`1.2 + 2.3 + 3.4 +. . . +n.(n+1)=(n(n+1)(n+2))/3`

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NCERT TAMIL-PRINCIPLE OF MATHEMATICAL INDUCTION-EXERCISE - 4.1
  1. Find the value of ""^6P4

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  2. Prove that by using the principle of mathematical induction for all n...

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  3. By the principal of mathematic induction, prove that, for nge1 1.2 + 2...

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  4. Prove that by using the principle of mathematical induction for all n...

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  5. Prove that by using the principle of mathematical induction for all n...

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  6. Prove that by using the principle of mathematical induction for all n...

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  7. Using the mathematical induction, show that for any natural number n, ...

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  8. Using the mathematical induction, show that for any natural number n, ...

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  9. a+ar+ar^(2)+......+ar^(n-1)=(a(r^(n)-1))/(r-1)

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  10. Use the principle of mathematical induction to prove that for every na...

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  11. Prove that by using the principle of mathematical induction for all n...

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  12. Prove that by using the principle of mathematical induction for all n...

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  13. Prove that by using the principle of mathematical induction for all n...

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  14. Prove that by using the principle of mathematical induction for all n...

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  15. Prove that by using the principle of mathematical induction for all n...

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  16. Prove that by using the principle of mathematical induction for all n...

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  17. Prove that by using the principle of mathematical induction for all n...

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  18. Prove that by using the principle of mathematical induction for all n...

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  19. Prove that by using the principle of mathematical induction for all n...

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  20. Prove that by using the principle of mathematical induction for all n...

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