Math, asked by sumankumar040302, 10 months ago

6.
21,18,15, ... का कौन-सा पद शून्य है?

Answers

Answered by chemistrywala

0

Answer:a =21

D=-3

0= 21 +(n-1)*(-3)

n=8, 8th term is 0

Step-by-step explanation:

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