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Consider the set of all lines px + qy + r = 0 such that 3p + 2q + 4r = 0. Which one of the following statements is true? The lines are concurrent at the point(1) (3/4,1/2)(2) The lines are all parallel(3) The lines are not concurrent(4) Each line passes through the origin |
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Answer» Correct option (1) (3/4,1/2) Explanation: 3p + 2q + 4r = 0 px + qy + r = 0 .....(i) 3/4p +q/2 + r = 0 .....(ii) comparing (i) and (ii) x = 3/4, y = 1/2 |
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