If an=5-11n, find the common difference. – InterviewSolution

InterviewSolution

1.

If an=5-11n, find the common difference.

Answer»

If n = 1 ;a1 = 5-(11×1)a1 = -6

If n = 2 ;a2 = 5-(11×2)a2 = -17

Now , a1=-6 & a2=-17Hence, common difference =d = a2-a1= -17-(-6)= -11

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