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Solve the system of equations using Cramer’s Rule if it is applicable.If Cramer’s Rule is not applicable,say so.

0 votes

Solve the system of equations using Cramer’s Rule if it is applicable.If Cramer’s Rule is not applicable,say so.

asked Feb 11, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The system of equations are image and image.

Convert the equations into matrices form image,

where image is coefficient matrix, image is variable matrix and image is constant matrix.

image

Solve the equations by using Cramer's Rule.

image

image

image

Since image Cramer's Rule is applicable.

Step 2:

image

image

image

image

image

image

image

image

image

image

image.

Solution:

image.

answered Feb 12, 2015 by david Expert
edited Feb 12, 2015 by david

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