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Find the Least Number Which Must Be Added to the Following Number So as to Get a Perfect Square. Also Find the Square Root of the Perfect Square So Obtained 1825 - Mathematics

Find the least number which must be added to the following number so as to get a perfect square. Also find the square root of the perfect square so obtained


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The square root of 1825 can be calculated by long division method as follows.

The remainder is 61. It represents that the square of 42 is less than 1825.

The next number is 43 and 432 = 1849

Hence, number to be added to 1825 = 432 − 1825 = 1849 − 1825 = 24

The required perfect square is 1849 and  `sqrt1849 = 43`

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NCERT Class 8 Maths Textbook
Chapter 6 Squares and Square Roots
Exercise 6.4 | Q 5.4 | Page 108
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