The square root of a number is a nonnegative number which when multiplied by itself equals the given number..
Square Root Function: , x ≥ 0 is a square root function.
The following are some properties of square root functions. These properties are true for all positive real numbers a and b
Correct Answer: D
Step 1: Square root of 196 = .
Step 2: [Since 14 × 14 = 196.]