1.

If x2 + 4 = 0, then the value of x is+22i+2iO0-2iOther:​

Answer»

{x}^{2} + 4 = 0

Or,

{x}^{2} = - 4

Or,

x = \sqrt{ - 4}

Or,

x = \pm2i

Where,

i = \sqrt{ - 1}

ROOTS:-

x = 2i

x = - 2i


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