Coincident lines require 1/(k − 1) = 2/(k + 1) = 3/(k + 3). Cross-multiplying the first pair gives k + 1 = 2k − 2, which solves to k = 3. This value satisfies all ratios equally. NCERT Solution for ...
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Coincident lines require 1/(k − 1) = 2/(k + 1) = 3/(k + 3). Cross-multiplying the first pair gives k + 1 = 2k − 2, which solves to k = 3. This value satisfies all ratios equally. NCERT Solution for ...