If the sum of first 11 terms of an A.P., a₁, a₂, a₃, .... is 0 (a … 0), then the sum of the A.P., a₁ , a₃ , a₅ ,....., a₂₃ is ka₁ , where k is equal to :

Option D. Let common difference be d.

Sequences and Series

JEE Main 2020 · 2 Sep, Evening shift · Q5215

MathematicsMedium178×since 2002Q5215

If the sum of first 11 terms of an A.P., a₁, a₂, a₃, .... is 0 (a

\ne

0), then the sum of the A.P., a₁ , a₃ , a₅ ,....., a₂₃ is ka₁ , where k is equal to :

JEE Main 2020 · 2 Sep, Evening shift · Q5215

MathematicsMedium178×since 2002Q5215

If the sum of first 11 terms of an A.P., a₁, a₂, a₃, .... is 0 (a

\ne

0), then the sum of the A.P., a₁ , a₃ , a₅ ,....., a₂₃ is ka₁ , where k is equal to :