Question
If a quadratic polynomial y = ax2 + bx + c
intersects x axis at a and β, thenSolution
quadratic polynomial y = ax2 + bx + c We know that, if polynomial equation intersect at x axis, then y = 0 So, polynomial equation become ax2 + bx + c = 0 which is a quadratic equation. Also, given that it intersect x axis at α and β and we know that sum of roots = -b/a α + β = -b/a
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