The value of ( ^ 21 C_1 - ^ 10 C_1) + ( ^ 21 C_2 - ^ 10 C_2) + ( ^ 21 C_3 - ^ 10 C_3) + ( ^ 21 C_4 - ^ 10...

Question

The value of ( ^ 21 C_1 - ^ 10 C_1) + ( ^ 21 C_2 - ^ 10 C_2) + ( ^ 21 C_3 - ^ 10 C_3) + ( ^ 21 C_4 - ^ 10 C_4) + + ( ^ 21 C_ 10 - ^ 10 C_ 10 ) is

Accepted Answer

(C)

JEE Main 2017 Mathematics question