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### Grade 7 - Mathematics1.24 Properties of Square Roots of Numbers - I

Product Rule:
Example: Ö16 * Ö9 = 4 * 3 = 12.
Ö(16*9) = Ö144 = 12.
Therefore Ö16 * Ö9 = Ö(16*9).

 Thus, a, b are non-negative real numbers Öa * Öb = Ö(a*b).

Directions: Solve the following problems. Also write atleast 10 examples of your own.
 Q 1: Ö121 * Öx = 33, find the value of x.Answer: Q 2: Ö(121*144) = _____?Answer: Q 3: Ö(9*4) = _____?Answer: Q 4: Ö(9*81) = ____?Answer: Q 5: Ö9 * Öx = 12, find the value of x.Answer: Q 6: Ö4 * Öx = 6, find the value of x.Answer: Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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