How many terms of the A.P. 9, 17, 25, ... must be taken so that their sum is 635..
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I guess there is some error in the question or may be in my working itself, Check to it once.
Step-by-step explanation:
If the question is the same, then this is the quadratic equation, you will get. If you find any error, then correct it and equate the quadratic equation.
Hope this helps you.
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