FP3: Complex Numbers - Schoolworkout

When a complex number z is represented by a point P in the complex plane then the argument of z , denoted arg z , is the angle θ that OP ... Review the number of roots (solutions) a quadratic equation has: Discriminant =∆= b 2 -4ac ∆>0 , 2 unequal real roots (2 solutions) ................
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