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Complex-Numbers-and-Quadratic-Equations

If x2 + ax + b = 0 and x2 + bx + a = 0 have exactly 1 common root n what is value of (a + b)?


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This Chapter Complex-Numbers-and-Quadratic-Equations consists of the following topics

If acosθ + bsinθ = c have roots α and β. Then, what will be the value of sinα * sinβ ?

If x2 + ax + b = 0 and x2 + bx + a = 0 have exactly 1 common root n what is value of (a + b)?

If, α and β are the roots of the equation 2x2 – 3x – 6 = 0, then what is the equation whose roots are α2 + 2 and β2 + 2?

If x2 + ax + b = 0 and x2 + bx + a = 0 have exactly 1 common root then what is the value of (a + b)?

Complex Numbers and Quadratic Equations

Objective-Mathematics