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Find the squares of the following numbers using the identity `(a+b)^2=a^2 +2a b+b^2:` (I)405 (ii) 510 (iii) 1001 (iv)209 (v) 605

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RD SHARMA ENGLISH-SQUARES AND SQUARE ROOTS-All Questions
  1. Find the squares of the number127

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  2. Find the squares of the following numbers: (I)425                (ii)...

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  3. Find the squares of the following numbers using the identity (a+b)^2...

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  4. Find the squares of the following numbers using the identity (a-b)^2...

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  5. Find the squares of the following number by visual method: 52

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  6. sqrt(4)=2. b e c a u s e\ 2^2=4. sqrt(9)=3,\ b e c a u s e\ 3^2=9. ...

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  7. Find the square root of 36 by successive subtractions.

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  8. Find the square root of 11025 by prime factorization.

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  9. Find the square root of 7744 by prime factorization.

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  10. Find the square root of 298116 by prime factorization.

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  11. Find the smallest number by which 1100 must be multiplied so that t...

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  12. Find the smallest number by which 9408 must be divided so that it b...

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  13. 5929 students are sitting in an auditorium in such a manner that the...

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  14. A general wishing to arrange his men, who were 335250 in number in ...

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  15. The product of two numbers is 1575 and their quotient is 9/7dot Fin...

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  16. Find the smallest square number divisible by each one of the number...

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  17. What could be the possible ones digits of the square root of each o...

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  18. Find the square root of the following number by prime factorization....

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  19. Find the square root of each of the following by prime factorization...

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  20. Find the square root of each of the following by prime factorization...

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