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Mathematics 9 Online
OpenStudy (anonymous):

If the roots of the equation bx2 + cx + a = 0 be imaginary, then for all real values of x, the expression 3b2x2 + 6bcx + 2c2 is - (1) Greater than 4 ab (2) Less than 4ab (3) Greater than – 4ab (4) Less than – 4ab

OpenStudy (anonymous):

Are you sure of these equations ?

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