Question

Q8. The sum of three numbers in
Arithmetic Progression is 72 and their
product is 11880. What are the number
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Answer 1

Answer:

I don't know I really sorry

Answer 2

Let the three no. Be a-d, a, a+d

Sum of 3no. = a-d+a+a+d = 72

3a = 72

a = 24

Product of 3 no. Be (a-d)(a)(a-d) = 11880

(24-d)(24)(24+d) = 11880

(24)² - d² = 11880/24

576 - d² = 495

576-495 = d²

81= d²

d = 9 or - 9

When the d=+9, The numbers are 24-9,24,24+9

= 15,24,33

And when the d = -9, the no. Are

24-(-9),24,24+(-9)

= 33,24,15

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