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If x-2y+4=0 and 2x+y-5=0 are the sides o...

If `x-2y+4=0 and 2x+y-5=0` are the sides of an isosceles triangle having area `10sq dot units` , the equation of the third side is (a) `3x-y=-9` (b) `3x-y+11=0` (c) `x-3y=19` (d) `3x-y+15=0`

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If x-2y+4=0a n d2x+y-5=0 are the sides of an isosceles triangle having area 10s qdotu n i t s , the equation of the third side is (a) 3x-y=-9 (b) 3x-y+11=0 (c) x-3y=19 (d) 3x-y+15=0

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The lines parallel to the normal to the curve x y=1 is/are (a) 3x+4y+5=0 (b) 3x-4y+5=0 (c) 4x+3y+5=0 (d) 3y-4x+5=0

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