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Show that the square of any positive odd...

Show that the square of any positive odd integer is of the form 8m+1, for some integer m.

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AGRAWAL PUBLICATION-REAL NUMBERS-EXAMPLE
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  4. Prove that 2+5sqrt3 is an irrational number, given that sqrt3 is an ir...

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  5. Prove that sqrt2 is an irrational number.

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  13. Show that the square of any positive odd integer is of the form 8m+1, ...

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  14. Prove that sqrtp+sqrtq is irrational, where p and q are primes.

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  15. Prove that 3+2sqrt5 is irrational number.

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  16. Show that the square of any positive integer cannot be of the form (5q...

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  17. Prove that one of every three consecutie positive integers is divisble...

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  18. Prove that sqrtn is not a rational number, if n is not perfect square.

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