Question

the sum of three numbers in ap is 18 and there product is 182 find the number
Anyone pls help​

Answer 1

Answer:

let three no. be a-d, a, a+d

according to first condition,

a-d+a+a+d = 18

3a = 18

a = 6......(1)

according to second condition,

(a-d) a (a+d) = 182

a ( a²-d²) = 182

6 ( 6² - d²) = 182

36 - d² = 3.3

-d² = 3.3 - 36

-d² = -32.7

d² = 32.7

d = 5.7 or d = -5.7

when d = 5.7 the three no. are

0.3, 6, 11.7

when d = -5.7 the three no. are

11.7, 6, 0.3

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