Question

Which term of the AP:21,18,15,...is-81?Also,is any term 0?Give reasons for your answer

Answer 1

Step-by-step explanation:

The following AP:21,18,15.......IS -81

FOR CHECK THE TERM 0,

0=21+(n-1)-3

-21=(n-1)-3

7=n-1

n=8

the 8th term is 0

Answer 2

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