JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Analyzing +4 | -1

The sum of the products of

2 n

numbers

\pm 1, \pm 2, \pm 3, \ldots, \pm n

taking two at a time is

View answer and explanation

Correct option: C

-\sum\limits_{{r=1}}^n r^2

Option C (

-\sum\limits_{{r=1}}^n r^2

) is correct because it represents the sum of the products of the given numbers taken two at a time.

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\frac{3}{4}