Math, asked by ChalasaniVyshnavi, 11 months ago

what is the relation between the series 1,6,21,45,78,_​

Answers

Answered by spichhoredot123
0

Answer:

A P or G.P.

Step-by-step explanation:

6-1 = 5

21-6= 15

Answered by sanskarsgirawale
0

Answer:

120

Step-by-step explanation:

trangular number 2 छोडके

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