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find the equation to the straight line which passes through the point of intersection of the line 3x+4y-1=0 and 5x+8y-3=0 and is perpendicular to the line 4x-2y+3=0

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  1. the two lines intersect at (-1,1)
    The required slope is -1/2

    SO, the desired line is

    y-1 = -1/2 (x+1)

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