Question
The first term of is terms is and sum of first terms is , then find and common difference .
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Text solutionVerified
First term
term
sum of terms
term
...........(i)
Now, sum of terms
[from equation (i)]
Put the value of in equation (i)
Thus, and
term
sum of terms
term
...........(i)
Now, sum of terms
[from equation (i)]
Put the value of in equation (i)
Thus, and
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Question Text | The first term of is terms is and sum of first terms is , then find and common difference . |
Answer Type | Text solution:1 |
Upvotes | 150 |