The first term of A.P is 8,n^{th} terms is 33 and sum of first n t | Filo
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Arithmetic Progressions

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The first term of is terms is and sum of first terms is , then find and common difference .

Solution: First term
sum of terms

Now, sum of terms

   [from equation (i)]

Put the value of in equation (i)

Thus, and
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