JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

An A.P. consists of

2 n

terms. If two middle terms are

\alpha-\beta

and

\alpha+\beta

, then sum of the

2 n

terms of the A.P. is

View answer and explanation

Correct option: A

2 n \alpha

Option A (

2n \alpha

) is correct because the sum of the 2n terms of the A.P. is

2n \alpha

, given that the two middle terms are

\alpha - \beta

and

\alpha + \beta

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