An algebra problem by Hammad Shah
Algebra
Level
2
The sum of three numbers in an A.P is 24 and their product is 440.What are the numbers?
5,8,11
11,9,7
3,5,7
None of above
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1 solution
Let 3 numbers be a-d,a,a+d where common difference is d . then and+a+a+d =24 .So,3a=24 and a=8. And (a+d)(a)(a-d)=440 (8+d)(8)(8-d) 8(64-d*d)=440 Solve the quadratic for dsq. And u will get the answer