(A) The given quadratic equation is $x^{2}+3=0$. Subtracting $3$ from both sides,we get $x^{2}=-3$. Taking the square root on both sides,we have $x =

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(A) The given quadratic equation is $x^{2}+3=0$. Subtracting $3$ from both sides,we get $x^{2}=-3$. Taking the square root on both sides,we have $x = \pm \sqrt{-3}$. Since $\sqrt{-1} = i$,we can write this as $x = \pm \sqrt{3} i$.

Class 11 Mathematics 4-1.Complex numbers Integral power of iota, Algebraic operations and Equality of complex numbers

Easy

Solve the equation $x^{2}+3=0$.

A
$\pm \sqrt{3} i$
B
$\pm 3i$
C
$\pm \sqrt{3}$
D
$\pm 3$

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4-1.Complex numbers

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Integral power of iota, Algebraic operations and Equality of complex numbers

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Solve the equation $x^{2}+3=0$.

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Express the following in the form $a+ib$:
$i^{-35}$