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2015-12-02T06:23:28+05:30

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For calculating a square root mentally.. We have to know the perfect squares of every number. By knowing the perfect squares of every number... We can find out the approx value of any number. Let's consider an example. We have to fine the value of √37 We know that root of 36 is 6. Therefore √37 will be approximately 6.1
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Next time u do......u will face the consequences