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Which term of the AP 21, 18, 15, ... is 0?​
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Which term of the AP 21, 18, 15, ... is 0?​

User Bdukes
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Answer:

Solution : Let Tn=0. Then,21+(n-1)×(-3)=0⇒n=8. So, 8th term is zero.

Explanation:

User Yshavit
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