JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

Let

V_r

denote the sum of first

r

terms of an arithmetic progression (A.P.) whose first term is

r

and the common difference is

(2 r-1)

. Then,

T_r=V_{r+1}-V_r-2

is always

View answer and explanation

Correct option: D

a composite number

Option D (a composite number) is correct because the expression for Tr simplifies to a product of two integers, indicating a composite number.

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