InterviewSolution
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4 quadratic polynomial has no real zero, then the graphtouches x-axis at any pointintersect y-axis in two distinct point (D) is in one hall plane(B) intersect x-axis in two dist |
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Answer» See if the graph is completely above x axis, what does that means ? This means that there is no solution for which equation will be zero. no real roots Hence no real solution. |
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