Q. The sum of the two square roots of the number 16 is
Identify Square Roots: Identify the square roots of the number 16. The number 16 is a perfect square, as it can be expressed as 4 multiplied by itself. 16=4×416=42 Since the square root of a number is a value that, when multiplied by itself, gives the original number, the square root of 16 is 4. However, there are two square roots for any positive real number: one positive and one negative. Therefore, the two square roots of 16 are +4 and −4.
Calculate Sum: Calculate the sum of the two square roots of the number 16. The sum of +4 and −4 is: (+4)+(−4)=0
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