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[" 10.The condition on "a" and "b" ,such...

[" 10.The condition on "a" and "b" ,such that the portion of the line "],[ax+by-1=0" intercepted between the lines "ax+y=0],[" and "x+by=0" subtends a right angle at the origin,is "],[[" a."a=b," b."a+b=0],[" c."a=2b," d."2a=b]]

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The condition on a and b, such that the portion of the line ax+by-1=0 intercepted between the lines ax+y=0 and x+by=0 subtends a right angle at the origin,is a=b( b) a+b=0=0a=2b (d) 2a=b

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The condition on a and b , such that the portion of the line a x+b y-1=0 intercepted between the lines a x+y=0 and x+b y=0 subtends a right angle at the origin, is a=b (b) a+b=0 a=2b (d) 2a=b

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