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


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