the sum of first three numbers in ap is 18.If the product of the first and the 3rd term is 5 times the common difference find the 3 numbers
Answers
Answered by
1
Answer: 2,6,10
Step-by-step explanation:
Let 3 number be a-d,a,a+d
Solve for conditions
Answered by
2
Step-by-step explanation:
Let the no a -d , a, a+d.
a-d + a+ a-d =18
3a = 18
a =6
ATQ,
(a-d)(a+d)= 5d
a square - d square= 5d
36= 5d - d square
solve it.
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