Finding the sum of sequence

 
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Marvins Daniel's picture
Finding the sum of sequence

how will i use calculator to solve this

The sum of 5th term of Ap is 10,
The sum of 10th term of Ap is 20
Find the common diff,first term

sum of 26th term

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Jhun Vert's picture
The sum of 5th term of Ap is

The sum of 5th term of Ap is 10

Do you mean "sum of the first 10 terms"?

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