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Prove by the principle of mathematical induction that: `n(n+1)(2n+1)` is divisible by `6` for all `n in Ndot`

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RD SHARMA ENGLISH-MATHEMATICAL INDUCTION-All Questions
  1. Prove by the principle of mathematical induction that for all n in N ...

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

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  3. Prove by the principle of mathematical induction that: n(n+1)(2n+1) is...

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

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  5. Prove that : cos^2alpha+cos^2(alpha+beta)-2cosalphacosbetacos(alpha+be...

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  6. Prove that 1/(n+1)+1/(n+2)+...+1/(2n)> 13/24 ,for all natural number ...

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  7. Prove the following by using the principle of mathematical inductio...

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  8. Prove by induction the inequality (1+x)^ngeq 1+n x whenever x is pos...

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  9. If P(n) is the statement n^3+n is divisible 3 is the statement P(3) tr...

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  10. If P(n) is the statement n(n+1)(n+2) is divisible is 12 prove that the...

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  11. Let P(n) be the statement 7 divides (2^(3n)-1)dot What is P(n+1)?

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  12. If P(n) is the statement n(n+1) is even, then what is P(3)?

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  13. If P(n) is the statement n^3+n is divisible by 3, prove that P(3) is t...

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  14. If P(n) is the statement n^2+n is even, and if P(r) is true then P(r+1...

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  15. If P(n) is the statement 2^ngeq3n , and if P(r) is true, prove that P(...

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  16. Given an example of a statement P(n) such that it is true of all n ϵN.

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  17. If P(n) is the statement n^2-n+41 is prime. Prove that P(1),\ P(2)a n ...

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  18. Given an example of a statement P(n) which is true for all ngeq4 but P...

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

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  20. Using principle of mathematical induction prove that x^(2n)-y^(2n) i...

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