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#1 2008-11-30 00:58:12

ganesh
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Pre-University Mathematics - Determinants

1. Solve the following systems of equations using Determinanats:-

a) x+y=3; 2x+3y=7

b) 3x+2y=5; x+3y=4

c) x+2y+z=7; 2x-y+2z=4; x+y-2z=-1

d) 3x+y-z=2; 2x-y+2z=6; 2x+y-2z=-2

e)







2. What is the value of the determinant:

?

3. Are the two determinants equal?





4. If
, then what is

equal to?

5. What is the value of the determinant given below?



6. Are the two matrices A and B equal?




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