Q) For the following APs, write the first term and the common difference:

(iii) ,….

Ans: Here we are given AP and we need to find the first term a and common difference d.

Now, first term of the AP,  (by observation)

Further we can see that   and

Common difference is the difference between any two consecutive terms, hence:

or

Therefore, in the given AP, the first term is and common difference is .

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