Tuesday
September 30, 2014

Homework Help: maths (matrix)

Posted by shiha on Tuesday, April 15, 2014 at 1:46pm.

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

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