Q. 15.0( 2 Votes )

# x2 + 2 = 0

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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