यदि R और = | ll a & b c & d | तो समान होगा : - Vidyadip

MCQ

यदि $\lambda \in R$ और $\Delta=\left|\begin{array}{ll}a & b \\ c & d\end{array}\right|$ तो $\lambda \Delta$ समान होगा :

A
$\left|\begin{array}{ll}\lambda a & \lambda b \\ \lambda c & \lambda d\end{array}\right|$
B
$\left|\begin{array}{rr}\lambda a & b \\ c & d\end{array}\right|$
✓
$\left|\begin{array}{ll}\lambda a & b \\ \lambda c & d\end{array}\right|$
D
कोई नहीं (None)

✓

Answer

Correct option: C.

$\left|\begin{array}{ll}\lambda a & b \\ \lambda c & d\end{array}\right|$

(C)

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