If (4a + c)2 < 4b2 then one root of...
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If (4a + c)2 < 4b2 then one root of ax2 + bx + c = 0 lies in (2) (-1, 1) (1) (-2, 2) (4) (2,00) (3) (0, -2) ob the

JEE/Engineering Exams
Maths
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( (4 a+c)^{2}-4 b^{2}<0 ) ( (4 a+c-2 b)(4 a+c+26)<0 ) ( f(2) quad f(-2)<0 ) so one Rot lues un (-2,2)
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