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State which of the following are mathema...

State which of the following are mathematical statements and which are not? Give reason.
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VGS PUBLICATION-BRILLIANT-PROOFS IN MATHEMATICS-EXERCISE
  1. State which of the following are mathematical statements and which are...

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  2. State which of the following are mathematical statements and which are...

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  3. State which of the following are mathematical statements and which are...

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  4. Find counter examples to disprove the following statements: Every r...

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  5. Find counter examples to disprove the following statements: For any...

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

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  7. Find counter examples to disprove the statements: Two triangle are co...

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  8. Find counter examples to disprove the statements: A quadrilateral wit...

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  9. Prove that the sum of two odd numbers is even.

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  10. Prove that the product of two even numbers is an even numbers.

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  11. Prove that if x is odd, then x^2 is also odd

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  12. Examine why they work ? Choose a number. Double it. Add nine. Add yo...

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  13. Write down any three-digit number (for example, 425). Examine why they...

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  14. Write any two mathematical statements.

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  15. What is a mathematical proof called?

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  16. State any two axioms (postulates).

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  17. Define the following : An axiom

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  18. Define the following : Theorem

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  19. What is a conjecture ? Give an example for it.

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  20. What is meant by 'Inductive reasoning'?

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