JEE Main 2021 · 24 February · evening · Numerical answer · +4 / −0
For integers n and r, let ( n; r ) = { ⁿCᵣ,, if n ≥ r ≥ 0; 0,, otherwise The maximum value of k for which the sum Σᵢ₌₀ᵏ ( 10; i )( 15; k - i ) + Σᵢ₌₀ᵏ⁺¹ ( 12; i )( 13; k + 1 - i ) exists, is equal to _________.
Answer and solution
Answer 12
No written solution for this question yet.