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From Karnataka Open Educational Resources
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The square root of a number x is y such that y^2=x;in other words a number y whose square gives the square root of x.
 
The square root of a number x is y such that y^2=x;in other words a number y whose square gives the square root of x.
 
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[[File:Sqrt.png|none|thumb|50x50px]]
The square root is usually denoted as  
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The square root is usually denoted as
    
From the above figure let us try to understand the square root of a number
 
From the above figure let us try to understand the square root of a number
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