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Home » The sum first 10 terms of an AP is -150 and the sum of its next 10 terms is -550 . Find the AP.
The sum first 10 terms of an AP is -150 and the sum of its next 10 terms is -550 . Find the AP.
Arithmetic Progression | CBSE | Class 10 | Maths | RS Aggarwal
The sum first 10 terms of an AP is -150 and the sum of its next 10 terms is -550 . Find the AP.

Solution:

Suppose that a is the first term and d is the common difference, then we have:
S10 = -150

i

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