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Question

A pair of linear equations a1x+b1y+c1=0 and a2x+b2y+c2=0 is inconsistent if

A
a1a2=b1b2=c1c2
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B
a1a2b1b2
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C
a1a2c1c2
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D
a1a2=b1b2c1c2
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Solution

The correct option is D a1a2=b1b2c1c2
A pair of linear equations is said to be inconsistent if pair of equations has no solution and condition for no solution is
a1a2=b1b2c1c2
Hence, the correct option is (D).

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