Question

What is the sum of the first n terms of the AP a,a+d,a+2d,a+3d......?

Answer 1

Answer:

Sum of first n terms of an ap is given as-

$s \: = \: \frac{n}{2}(2a + (n - 1)d)$

Step-by-step explanation:

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Answer 2

Answer:

give answer in one digit