Math, asked by varshajainj, 5 months ago

which term of the A.P 21,18,15.......is zero

Answers

Answered by sahilmishra1916

2

Answer:

Let Tn=0.

Then,21+(n-1)×(-3)=0

⇒n=8.

So, 8th term is zero.

Step-by-step explanation:

here is your answer ☺️.

Answered by budheswargogoi88

0

Answer:

0=21+(n-1)d

=21+(n-1)-3

=21-3n+3

-24=-3n

-24÷-3=n

8=n

therefore 8th term of AP is 0.

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