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Find two mean proportionals between 2 an...

Find two mean proportionals between 2 and 54.

A

6 और 18

B

6 और 12

C

12 और 18

D

6 और 9

Text Solution

Verified by Experts

The correct Answer is:
A
`2/x` = `y/54`
`implies`xy = 54 `xx` 2 = 108
दिए गए विकल्पों में सिर्फ 6 तथा 18 का गुणनफल ही 108 है। अतः 6, 18, 2 तथा 54 के बीच दो मध्यानुपाती हैं।
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