Question

Find the missing number in the series? 3, 9, 21, ____, 93

Answer 1

0+3=3
3+6=9
9+12=21
21+24=45
45+48=93

Answer 2

Given: The given series is 3, 9, 21, ____, 93

In mathematics, a series is, roughly speaking, a description of the operation of adding infinitely many quantities, one after the other, to a given starting quantity. The study of series is a major part of calculus and its generalization, mathematical analysis

Answer-

$0+3=3\\3+6=9\\9+12=21\\21+24=45\\45+48=93$

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