a) If the two straight lines: \(3x - 4y - 3 = 0\) and \(ky + 4x - 8 = 0\) are perpendicular, then \(k = \ldots\ldots\).
The correct answer is (c) 3
MR/Nasef.N
b) If the two straight lines: \(x + y = 5\) and \(kx + 2y = 0\) are parallel, then \(k = \ldots\ldots\).
The correct answer is (d) 2
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