Posted by **MARYSE** on Tuesday, April 15, 2014 at 10:20pm.

solve the equations by using

a) the adjoint matrix

b) elementary row operations

i) x+y+z=6

2x-y+z=3

x+4y-z=6

ii) 3p-3q+r=1

-3p+5q-2r=-1

p-2q+r=3

iii)-12a+b+17c=-14

2a-b+3c=5

8a+b-13c=-3

thanks sir/madam

- math (Matrix) -
**3x+y=6.2x-y=1**, Saturday, July 23, 2016 at 11:36am
X=3.Y=5

- math (Matrix) -
**5x+3y=1/9x-y=3**, Saturday, July 23, 2016 at 12:03pm

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