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GATE Civil Engineering 2017 Paper 2

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Question : 1

Total: 65

Consider the following simultaneous equations (with c1andc2 being constants):
3x1+2x2=c1
4x1+x2=c1
The characteristic equation for these simultaneous equations is

λ2−4λ−5=0
λ2−4λ+5=0
λ2+4λ−5=0
λ2+4λ+5=0

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