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Math 11 Chapter 4Quadratic equationsTest - 1

Math 11 Chapter 4Quadratic equationsTest - 1

 1. Sum of all four fourth roots of unity is ………………? Circum circle Circum radius Infinity circle Escribed circle, ex-circle
 2. 20. Both complex fourth roots of unity are ……………… of each other.
 3. Equations involving ……………… of the variable are called radical equation? Law of Quadrent Law of Rest Law of tangent Law of Motion
 4. The solutions of an equation are also called its ………………? Solvent Roots No answer is correct Branches
 5. The real fourth roots of unity are ……………… of each other? ex-circle ex-centres in-centre in-circle
 6. 1+ ω + ω 2 = ………………? Circum circle Infinity Restricted Circum radius
 7. Sum of all three cube roots of unity is ………………? Infinity Circum radius Circum circle Restricted
 8. System of simultaneous equation involves ……….. or more equations. 1 3 2 4

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