Answer :

This equation is a quadratic equation.


Solution of a general quadratic equation ax2 + bx + c = 0 is given by:



Given:


x2 + 2 = 0


x2 = -2


x = ± √ (-2)


But we know that √ (-1) = i


x = ±√2 i


Ans: x = ±√2 i


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Polar & Euler Form of Complex Numbers on Argand Plane32 mins
Interactive Quiz Time - Polar & Euler Form of complex number58 mins
Interactive Quiz on Quadratic EquationsFREE Class
Modulus & Conjugate of Complex Number | Ready for a Quiz?48 mins
Practice session | Argument of complex numbersFREE Class
Special Quiz on Argument of complex numbersFREE Class
Polar & Euler Form of Complex Number on Argand Plane58 mins
Questions Based on Polar & Euler Form of Complex Number63 mins
Questions on Modulus & Conjugate of Complex Number62 mins
Interactive Quiz on Quadratic Equations-02FREE Class
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses