Consider the system of linear equations represented in matrix form by

MATHEMATICS · Single correct · CBSE · Mathematics · Determinants · Determinants

Problem

A X = B

, where

A=\begin{pmatrix} 1 & 1 & 1 \\ 0 & 2 & p \\ 1 & -1 & 0 \end{pmatrix}.

For which one of the following values of

p

will the system NOT have a unique solution? (a)

0

(b)

1

(c)

-1

(d)

2