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January 16th, 2008, 02:41 PM   #1
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Linear Equations

show that if the linear equations:

x_1 + Kx_2 = c and x_1 + Ix_2 = d

have the same solution set, then the equations are identical.

How can I prove this?
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January 17th, 2008, 05:42 PM   #2
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When x_2 = 0, x_1 must be c according to the first equation, but d according to the second. Hence c = d.

Is that sufficient help?
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