JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

Let the sum of the first

n

terms of a non-constant AP

{a_1},\,{a_2},\,{a_3}....\,\,

50n + \frac{{n(n - 7)}}{2}A,\,

where

A

is a constant. If

d

is the common difference of this AP, then the ordered pair

(d,\,{a_{50}})

is equal to

View answer and explanation

Correct option: A

(A,\,50 + 46A)

Option A (

(A,\,50 + 46A)

) is correct because after calculating the common difference and the 50th term, the ordered pair matches this option.

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