Q17 of 110 Page 260

Using properties of determinants prove that:



[R1’ = R1 + R2 + R3]


[R1’ = R1/2]


[R1’ = R1 - R2 & R2’ = R2 - R3]


= 2[c{a(a + b) - ( - ac)} + 0 + a{c(b - c) - ac}] [expansion by first row]


= 2(a2c + abc + ac2 + abc - ac2 - a2c)


= 4abc


More from this chapter

All 110 →
15

Using properties of determinants prove that:


 16

Using properties of determinants prove that:


 18

Using properties of determinants prove that:


 19

Using properties of determinants prove that: