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Arithmetic Progressions

Answer:

In the given problem, we are given an A.P.

We need to find the number of terms present in it

So here we will find the value of n using the formula,

(i) Here, A.P is

The first term (a) = 7

The last term () = 43

Now,

Common difference (d) =

Thus, using the above mentioned formula, we get,

Thus,

Therefore, the num...

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