JEE 2023 — Mathematics PYQ
JEE | Mathematics | 2023\text{If } (20)^{19} + 2(21)(20)^{18} + 3(21)^2 (20)^{17} + \dots + 20(21)^{19} = k(20)^{19}, \text{ then } k \text{ is equal to ________ :}
Preparing for Excellence...
\text{If } (20)^{19} + 2(21)(20)^{18} + 3(21)^2 (20)^{17} + \dots + 20(21)^{19} = k(20)^{19}, \text{ then } k \text{ is equal to ________ :}