Let A = bmatrix 1 & 0 & 0 1 & 1 & 0 1 & 1 & 1 bmatrix and B = A^ 20 . Then the sum of the elements of the...

Question

Let A = bmatrix 1 & 0 & 0 1 & 1 & 0 1 & 1 & 1 bmatrix and B = A^ 20 . Then the sum of the elements of the first column of B is ?

Accepted Answer

(C)

JEE Main 2018 Mathematics question