The equations of a pair of opposite sides of a parallelogram are x2–5x+6=0 and y2–6y+5=0, then the equation of the diagonal having positive slope is
A
y = 4x+7
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B
y = 4x-7
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C
4x+y = 13
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D
4x+y = 15
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Solution
The correct option is By = 4x-7 The sides are x = 2, x = 3, y = 1, y = 5 ∴ vertices are A(2, 1), B(3, 1), C(3, 5), D(2, 5) Equation of AC(+ve slope) is y = 4x - 7