
Concept explainers
To find: the given square root

Answer to Problem 15SGR
The square root of
Explanation of Solution
Given:
Calculation:
The objective of the question is to estimate the square root of
In order to solve this problem, take the number whose square root is to be found and check for the two perfect squares between which the given number lies.
Clearly 15 lies between
The square of the number to be found is 15 which lie between two perfect squares
Hence the number must be between the two integers whose perfect squares have been taken.
Check the difference of the two perfect squares from the original number.
Check for shorter distance.
Clearly 15 are closer to 16. Hence square root of 15 should have integer estimate of 4.
Conclusion:
Therefore,the square root of
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