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Let a and b be real numbers such that ab...

Let a and b be real numbers such that `ab != 0`. Then which of the following statements are true ? Justify your answer : Either a or b must be non-zero.

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MBD-Appendix - A1-Exercise
  1. Let a and b be real numbers such that ab != 0. Then which of the follo...

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  2. Given that all women are mortal, and suppose that A is a woman, what c...

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  3. Given that the product of two rational numbers is rational, and suppos...

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  4. Given that the decimal expansion of irrational numbers is non-terminat...

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  5. Given that y = x^2 +6 and x = -1, what can we conclude about the value...

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  6. Given that ABCD is a parallelogram and / B = 80°. What can you conclud...

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  7. Given that PQRS is a cyclic quadrilateral and also its diagonals bisec...

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  8. Given that sqrt p is irrational for all prime p and also suppose that ...

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  9. Prove that the sum of the two consecutive odd numbers is divisible by ...

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  10. Take two consecutive odd numbers. Find the sum of their squares, and t...

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  11. If p ge 5 is a prime number, show that p^2 + 2 is a composite number.

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  12. Let x and y be rational numbers. Show that xy is a rational number.

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  13. If a and b are positive integers, then you know that a=bq+r, such that...

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  14. A line parallel to BC of a triangle ABC, intersects AB and AC at D and...

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  15. State the negations for the following statements : Man is mortal.

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  16. State the negations for the following statements : Line l is parallel ...

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  17. State the negations for the following statements : This chapter has ma...

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  18. State the negations for the following statements : All integers are ra...

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  19. State the negations for the following statements : Some prime numbers ...

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  20. State the negations for the following statements : No student is lazy.

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  21. State the negations for the following statements : Some cats are not b...

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