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Home » In an AP, the first term is -4, the last term is 29 and the sum of all its terms is 150. Find its common difference.
In an AP, the first term is -4, the last term is 29 and the sum of all its terms is 150. Find its common difference.
Arithmetic Progression | CBSE | Class 10 | Maths | RS Aggarwal
In an AP, the first term is -4, the last term is 29 and the sum of all its terms is 150. Find its common difference.

Solution:

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

i

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