Find the value of λ, a non-zero scalar, if 
.
=
We know that, corresponding entries of equal matrices are equal.
=
= 
+2=4
= 
=4-2
= 
=2
Since, 
-2=4
= 
=4+2
= 
+6
= 
= 
=2
Hence, 
=2
17
Find the value of λ, a non-zero scalar, if .
=
We know that, corresponding entries of equal matrices are equal.
=
= +2=4
= =4-2
= =2
Since, -2=4
= =4+2
= +6
=
= =2
Hence, =2