Find using properties of determinants Can we do this like R1- R1+R2 and then take 5 common from R3 - Applied Mathematics - Determinants

Question

Find using properties of determinants
Can we do this like R1->R1+R2 and then take 5 common from R3 So
then R1 and R3 will become identical and hence the value of
determinant will be 0 Is this right?

Gursheen Kaur · Accepted Answer

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_608aec0b2e443%20jpg"
style="width: 99px; height: 87px;">
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_608aec64a5e9a%20jpg"
style="width: 99px; height: 31px;">
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_608aec84e5824%20jpg"
style="width: 99px; height: 97px;">
Regards!

Find using properties of determinants. Can we do this like R1->R1+R2 and then take 5 common from R3 .So then R1 and R3 will become identical and hence the value of determinant will be 0. Is this right?

Find using properties of determinants.
Can we do this like R1->R1+R2 and then take 5 common from R3 .So then R1 and R3 will become identical and hence the value of determinant will be 0. Is this right?