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The condition $\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$ corresponds to lines that are:
Aparallel (no solution)
Bperpendicular
Ccoincident (infinitely many solutions)
Dintersecting (unique solution)
Answer & Solution
Correct answer: C. coincident (infinitely many solutions)
a₁/a₂ = b₁/b₂ = c₁/c₂ gives coincident lines and infinitely many solutions.
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