Answer:
Option C
Explanation:
A= [xxxxx2xxxx+1]
Since , rank A=1 , therefore atleast one determined of order 1 should be non-zero and all the determinants of order 2 and 3 should be zero.
If x=0 , then A=[000000001] , which have non-zero
determinant of order 1 only.
If x=1, then A=[111111112], which have a non-zero determinant of order 2,
nearly [1112]
∴ x can take value 0 only