Math, asked by parthshingala2527, 5 months ago

find the root of equation x²-4=0​

Answers

Answered by akankshakamble6
2

Answer:

Explanation:

For this, you need a concept of imaginary numbers

x2+4=0

⇒x2+4−

4=0−4

(Subtracting

4

from both sides)

x

2

=

4

x

=

4

x

=

1

×

4

⇒x=±2√−1

(The value of √-is i)

⇒x=±2i

Hope this helps :)

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