Question

formulas of square and square roots ​

Answer 1

Answer:

Square Root Formula

• For example, The square root of 4 is 2. ...
• e.g. √4, here 4 is the radicand. All positive real numbers has two square roots, one positive square root and one negative square root. ...
• e.g. √4=±2. ...
• e.g. √12=√4×3=2√3.

Answer 2

Answer:

When a value is multiplied by itself to give the original number then that number is a square root. Represented by a radical symbol √ “Square Root” is often used to refer to the principal square root.