The square root of 15 in the radical form is expressed as √15 and in exponent form as (15)½ or (15)0.5.

The square root is rounded up to 8 decimals is 3.87298335. It is a positive solution of the equation x2 = 15.

The square of a number raised to power 2.examplesquare of 15 =152 =15 x 15 = 225square of 3/4=( 3/4 )2 = (3/4 x 3/4 ) = 9/24

A Natural number is called a perfect square, if it is the square of some natural number.examples 12 =1, 22 = 4 , 32 = 9 and so on. Each number 1,4, 9,... is a perfect square.

The square root of a number x is that number which when multiplied by itself gives x as a product.

Examplessince 7 x 7 = 49, so, √49 = √ (7 7) = 73/5 x 3/5 = 9/25 , so,9/25= 3/5 = √3/5 is 3/5

Step 1 Resolve the given number into prime factors.Step 2 Make pairs of similar factorsStep 3 The product of prime factors, choosing one out of every pair, gives the square root of the given number.

The symbol which √ called a radical sign.Find the value of √15Solve √15 = !5 x 15 x 15 = 225,means √15 = (√3.2789 )2√3.2789 x √3.2789√15= √3.2789