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Find counter examples to disprove the statements: If n is a whole number, then `2n^2+11` is a prime.

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Counter example to " 2n^2 +11 is a prime" is

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VGS PUBLICATION-BRILLIANT-PROOFS IN MATHEMATICS-EXERCISE
  1. What is meant by 'Inductive reasoning'?

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  2. What is deductive reasoning?

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  3. Find counter examples to disprove the statements: If n is a whole num...

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  4. Restate the following statements with appropriate conditions, so that ...

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  5. Restate the following statements with appropriate conditions, so that ...

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  6. Disprove, by finding a suitable counter example, the statement. x^2 gt...

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  7. The statement "the sum of two odd numbers is odd" is

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  8. The statement "every composite number can be expressed as product of p...

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  9. A statement or an idea which gives an explanation to a series of obser...

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  10. The mathematics is mainly based on ......... reasoning.

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  11. Counter example to "product of two odd integers is even" is

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  12. God is immortal. Rama is a God, the conclusion based on these two stat...

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  13. A mathematical statement whose truth has been established is called

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  14. The mathematical statement which we believe to be true is called

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  15. Conjecture are made based on

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  16. The conjecture "If the perimeter of a rectangle increases then its are...

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  17. A counter example to the statement "In any right triangle the square o...

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  18. "A circle may be drawn with any centre and radius" is

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  19. A false axiom results into a.....

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  20. If in a collection of axioms, one axiom can be used to prove other axi...

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