Question

Find the value of determinant
|2 1 -2|
|2 1 -3|
|5 4 -9|

a)2
b)1
c)3
d)4​

Answer 1

$\underline\red{\bold{Explanation}}$

In determinant first we have to simplify then apply to find out the values

in the attachment i have solved your problems.

I hope its helpful for uh .