Question

Find 10th term of the A.P 80, 76, 72, 68.....​

Answer 1

Answer:

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Step-by-step explanation:

The given sequence is an AP in which first term a=84 and common difference d=−4.

We have to find value of n for which a

n

is 0.

Then,

a+(n−1)d=0

⇒84+(n−1)×−4=0

⇒88−4n=0

⇒n=22

Hence, 22

nd

term is 0.