Let _ k=1 ^ n a_k = n^2 + n. If a_ 10 = 59 and a_6 = 7a_1 then + is equal to

JEE Main 2026 Mathematics question

Let . If and then is equal to

Answer: 3

= (α + β n) - (α(n- + β(n-1))

(1)

(2) $

Create a free account to read the complete working (7 steps), and practise questions like this in a timed test.

Question ID VK-001315