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The equation of the pair of straight lines perpendicular to the pair 2x2+3xy+2y2+10x+5y=0 and passing though the origin is______

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Important Questions on Pair of Straight Lines

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If the centroid of the triangle formed by the lines 2y2+5xy-3x2=0 and x+y=k is 118,1118, then the value of 'k' equals_____
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If 'm1' and 'm2', m1>m2 are the slopes of the lines represented by 5x2-8xy+3y2=0, then m1:m2 equals
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If the slope of one of the lines represented by ax2+2hxy+by2=0 be the square of the other, then a+bh+8h2ab is
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If the lines, joining the origin to the points of intersection of the curve 2x2-2xy+3y2+2x-y-1=0 and the line x+2 y=k, are at right angles, then k2 equals
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If one of the lines represented by ax2+2hxy+by2=0 passes through (2,3) and the other passes through (4,5), then a+2 h+b equals
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If the line y=mx is one of the bisectors of x2+4xy-y2=0, then value of 2m=
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Statement-I: Two lines which pass through a given fixed point and are equally inclined to two other lines passing through the same point, are always perpendicular to each other.
Statement-II: Angle bisectors of two intersecting lines are always perpendicular to each other.
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If the straight line 2x+3y+1=0 bisects the angle between a pair of lines, one of which in this pair is 3x+2y+4=0. Then, the equation of the other line in that pair of lines is