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Algebra
Pregunta

If two lines are given by general equations,, \(A ...

If two lines are given by general equations,, 

\(A _ { 1 } x + B _ { 1 } y + C _ { 1 } = O\) then 

\(A _ { 2 } x + B _ { 2 } y + C _ { 2 } = O\) the necessary and sufficient condition of their parallelism is the condition: 

 

Answer

\(\frac{A_{1} }{B_{1} } = \frac{A_{2} }{B_{2} }\)(B\(_{1}\)≠0, B\(_{2}\)≠0) or B\(_{1}\)=B\(_{2}\)=≠0

Solución
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