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Oliveboard Question of the day

Question: If the roots of the equation px2 +rx + q =0 be imaginary, then for all real values of x, the expression 3p2x2 + 6prx +2q2 is:

(a) Greater than 4qp

(b) Less than 4qp

(c) Greater than –4qp

(d) Less than –4qp


Solution posted below. Click on the plus sign to view the solution.

Answer and Explanation

CAT question a day solution