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12 May 2011 09:52:33 IST

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If one root of ax^2+bx-2c=0 (a,b,c are real) is imaginary and 8a+2b>c , then a) a>0 and c<0 b)a

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If one root of ax^2+bx-2c=0 (a,b,c are real) is imaginary and 8a+2b>c , thena) a>0 and c<0 b)a>0 and c>0c)a<0,c>0d)a<0,c<0

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GOPAKUMAR

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Joined: 18 Mar 2010

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12 May 2011 10:00:08 IST

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A) a>0 and c<0

jagdish singh

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Joined: 19 Jan 2008

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12 May 2011 20:00:32 IST

Like 1 people liked this

NugoRama

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Joined: 11 Mar 2009

Posts: 5517

12 May 2011 20:22:15 IST

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Nice answer.

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