Using the properties of determinants ,show that..
2 3 7
13 17 5
15 20 12
=0..
first apply R2------>R2+R1 then R2 and R3 becomes same.
and hence value of det. becomes zero.
Using the properties of determinants ,show that..
2 3 7
13 17 5
15 20 12
=0..
first apply R2------>R2+R1 then R2 and R3 becomes same.
and hence value of det. becomes zero.