Question

please tell this answer of 9th STD ratio and proportion
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Answer 1

Answer :

Let a and c be the first and third number respectively.

Therefore, a x c = 18²

and a + c = 39

a = 39 - c

c² - 39c + 324 = 0

c² - 27c - 12c + 324 = 0

c ( c - 27 ) - 12 ( c - 27 ) = 0

c - 12 = 0 or c - 27 = 0

c = 12 or c = 27

When c = 27, a = 12 ;

c = 12, a = 27

Answer 2

Answer:

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Step-by-step explanation:

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