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1). 502). 903). 404). 20 |
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Answer» Using APPROXIMATION, $(\SQRT {5089} - \sqrt {2641} \; + \;\sqrt {1186} \APPROX \sqrt {4900} - \sqrt {2500} \; + \;\sqrt {900} \; = \;70 - 50\; + \;30\; = \;50)$ ∴ √5089 - √2641 + √459 = 50 |
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