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Use Euclids division Lemma to show th...

Use Euclids division Lemma to show that the cube of any positive integer is either of the form `9m ,\ 9m+1` or, `9m+8` for some integer `m` .

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Use Euclid's division lemma to show that the cube of any positive integer is of the form 9m ,9m+1 or 9m+8 .

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Use Euclid's division lemma to show that the square of any positive integer is either of the form 3m or 3m+1 for some integer m.[Hint: Let x be any positive integer then it is of the form 3q,3q+1 or 3q+2 Now square each of these and show that they can be rewritten in the form 3m or 3m+1]

Using Eulids division lemma, show that the cube of any positive integer is of the form 9m , or ( 9m+1) or ( 9m+8) for some integer m.

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Show that the square of any positive integer is either of the form 4q or 4q + 1 form some integer q

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RD SHARMA-REAL NUMBERS-All Questions
  1. Show that n^2-1 is divisible by 8, if n is an odd positive integer.

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  2. Show that the square of any positive integer is of the form 3m or, ...

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  3. Use Euclids division Lemma to show that the cube of any positive in...

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  4. Prove that the product of two consecutive positive integers is divi...

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  5. For any positive integer n , prove that n^3-n divisible by 6.

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  6. Prove that if a positive integer is of the form 6q+5 , then it is o...

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  7. Prove that the square of any positive integer of the form 5q+1 is o...

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  8. Prove that the square of any positive integer is of the form 4q or ...

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  9. Show that any positive odd integer is of the form 6q+1 or, 6q+3 or,...

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  10. A sweet seller has 420 kaju barfis and 130 badam barfis. She wants ...

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  11. Any contingent of 616 members is to march behind an army band of 32...

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  12. Find the largest number which divides 245 and 1029 leaving remainde...

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  13. In a seminar. the number of participants in Hindi, English and Mathema...

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  14. Define HCF of two positive integers and find the HCF of the followi...

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  15. Define HCF of two positive integers and find the HCF of the followi...

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  16. Define HCF of two positive integers and find the HCF of the followi...

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  17. Define HCF of two positive integers and find the HCF of the followi...

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  18. Use Euclid’s division algorithm to find the HCF of (i) 135 and 225 ...

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  19. Find the HCF of the following pairs of integers and express it as a ...

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  20. Express the HCF of 468 and 222 as 468 x+222 y where x ,\ y are inte...

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