If the square root of an integer is another integer then the square is called a perfect square. For example 25 is a perfect square since. ±√25=±5. If the radicand is not a perfect square i.e. the square root is not a whole number than you have to approximate the square root.
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Answer:
If the square root of an integer is another integer then the square is called a perfect square. For example 25 is a perfect square since. ±√25=±5. If the radicand is not a perfect square i.e. the square root is not a whole number than you have to approximate the square root.
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