Question

Three numbers are in AP. if the sum of these numbers be 27 and the product 648, find the numbers

Answer 1

Answer:

6,9,12

Step-by-step explanation:

Let the three numbers be a - d, a, a+d.

a-d + a + a + d = 27

3a = 27

a = 9

(a-d)(a)(a+d) = 648

a(a2 - d2) = 648

9(92 - d2) = 648

92 - d2 = 72

d2 = 81 - 72

d2 = 9

d = 3

The numbers are 6,9,12

Answer 2

Answer:

refer to the attachment for the solution.

the numbers are 6,9,12 or 12,9, 6

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