Q. 15.0( 2 Votes )
x2 + 2
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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