Let a_k and b_k , k N, be two G.Ps with common ratios r_1 and r_2 respectively such that a_1 = b_1 = 4 and...

Question

Let a_k and b_k , k N, be two G.Ps with common ratios r_1 and r_2 respectively such that a_1 = b_1 = 4 and r_1<r_2. Let c_k=a_k+b_k, k N. If c_2 = 5 and c_3= 13 4 then _ k=1 ^ c_k-(12a_6+8b_4) is equal to _______.

Accepted Answer

9

JEE Main 2023 Mathematics question

Solution