Let a_1,a_2,a_3,….,a_n be n positive consecutive terms of an arithmetic progression. If d 0 is its common...

Question

Let a_1,a_2,a_3,….,a_n be n positive consecutive terms of an arithmetic progression. If d > 0 is its common difference, then _ n d n ( 1 a_1 + a_2 + 1 a_2 + a_3 + + 1 a_ n-1 + a_n ) is-

Accepted Answer

(C)

JEE Main 2023 Mathematics question

Solution