Number of real values of \( \lambda \) for which the matrix \( \mathrm{A}=\left[\begin{array}{cc...
Number of real values of \( \lambda \) for which the matrix \( \mathrm{A}=\left[\begin{array}{ccc}\lambda-1 & \lambda & \lambda+1 \\ 2 & -1 & 3 \\ \lambda+3 & \lambda-2 & \lambda+7\end{array}\right] \) has no inverse
\( \mathrm{P} \)
(A) 0
(B) 1
(C) 2
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