Question

how many terms of the ap 9, 17, 25 must be taken to get a sum 2625​

Answer 1

Answer:

given above

Step-by-step explanation:

have a look in that picture.

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Answer 2

Answer:

heyy

now you can yourself find the zero's of the quadratic equations by splitting the middle term or it would be easy to solve this equation by discriminant . The one value of n which tends to come negative or a fraction will itself get rejected as value of n need to a natural no. always.

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