Quadratic Equation-1

1. The sum of all four fourth roots of unity is

2. $16\omega^4 + 16 \omega^8$

3. Product of all cube roots of $-1$ is

4. The roots which satisfy radical free equation but not radical equation are called

5. The product of all four fourth roots of 81 is

6. The convert $ax^{2n} + bx^n + c =0 (a\ne 0) $ into quadratic form, the correction substitution

7. The equation $ax^2 + bx + 9 =0$ will be quadratic if

8. The product of all four fourth roots of unity is

9. The quadratic formula for solving the equation $ax^2 + bx + c =0$ is $(a\ne 0)$

10. The equation in which variable quantity occurs in exponent is called

11. The cube roots of unity are

12. The equations involving radical expressions of the variable are called

13. To convert $ 4^{1+x} + 4^{1-x} =10$ into quadratic, the substitution is

14. The equation which remains unchanged if $x$ is replaced by $\frac{1}{x}$, then it is called

15. Sum of all cube roots of 64 is

16. $(-1 + \sqrt{-3})^5 + (-1 – \sqrt{-3})^5$ is equal to

17. Solution set of the equation $x^2 – 4x + 4 = 0$ is

18. The complex cube roots of unit are ______________ each other

19. The cube roots of $-1$ are

20. The sum of all four fourth roots are 16 is