10. If three lines whose equations are y = m1 x + c1

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10. If three lines whose equations are y = m1 x + c1 , y = m2 x + c2 and y = m3 x + c3 are concurrent, then show that m1 (c2 – c3 ) + m2 (c3 – c1 ) + m3 (c1 – c2 ) = 0.
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Oct
10. If three lines whose equations are y = m1 x + c1 , y = m2 x + c2 and y = m3 x + c3 are concurrent, then show that m1 (c2 – c3 ) + m2 (c3 – c1 ) + m3 (c1 – c2 ) = 0. 10. If three lines [...]
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Tags: 10. If three lines whose equations are y = m1 x + c1 , then show that m1 (c2 – c3 ) + m2 (c3 – c1 ) + m3 (c1 – c2 ) = 0. , y = m2 x + c2 and y = m3 x + c3 are concurrent ,