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18 October, 07:56

What is the geometric mean of 7 and 12?

a. 1

b. 9.5

c. 2√21

d. 4√21

+1
Answers (1)
  1. 18 October, 11:49
    0
    The correct answer is option B. i ... e 9.5 The geometric mean of any two numbers a and b is given as the squareroot of the product of a and b. Thus, the geometric mean of 7 and 21 is sqrt (7*12) = sqrt (84) = 9.16 ~ 9.5
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