Math, asked by netri2405, 11 months ago

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

Answers

Answered by Anonymous

3

Answer:

❣ ANSWER ❣

✡ ROCKY HERE ✌

a = 21

d = - 3

an = 0

n = ??

an = a + ( n - 1 ) d

0 = 21 + ( n - 1 ) - 3

- 21 = - 3n - 3

3n + 3 = 21

3n = 18

n = 6

n = 6

✴HAPPY TO HELP

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