JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

S_n

denotes the sum of first

n

term of an A.P., then

\frac{S_{3 n}-S_{n-1}}{S_{2 n}-S_{2 n-1}}

is equal to

View answer and explanation

Correct option: B

2 n+1

Option B (

2 n+1

) is correct because by substituting the formula for the sum of an A.P., the expression simplifies to

2n+1

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