Question

find the value of 21√12/10√27

Answer 1

Answer:

7/5

Step-by-step explanation:

Given question;

21√12/10√27

To solve this equation, we need to know the rules of multiplication and division of square roots of the number.

√x * √y = √(x * y)

√x ÷ √x = 1

Simplifying the given question;

21√12/10√27 = (21 * √4 * √3) ÷ (10 * √9 * √3)

                      = (21 * 2 * √3) ÷ (10 * 3 * √3)

                      = 7/5

Answer 2

Step-by-step explanation:

21√12 / 10√27=

21×√4×√3 / 10×√9×√3

21×2×√3 / 10×3×√3

42×√3 / 30×√3

7/5

Hence, 7/5 is the correct answer.