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10, 23, 60, 169, 494,?

10, 23, 60, 169, 494,?

Grade:12

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
10 years ago
series = 10, 23, 60, 169, 494
1st diff= 13, 37, 109, 325
2nd diff = 24, 72, 216 = 24, 24*3, 24*9
nth term (n >=3) = 10 + (n-1)*13 + (24*3^(n-2))
sher mohammd
b.tech, iit delhi

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