JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

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Application +4 | -1

a_1, a_2, a_3, . . . , a_n, . . .

are in A.P. such that

a_4 - a_7 + a_{10} = m,

then sum of the first 13 terms of the A.P. is

View answer and explanation

Correct option: C

13 \,m

Option C (

13m

) is correct because the given condition simplifies to relate to the 7th term, and the sum of the first 13 terms is 13 times the 7th term.

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