Prove that

Question:

$x^{2}+5=0$

 

Solution:

Given:

$x^{2}+5=0$

$\Rightarrow x^{2}=-5$

$\Rightarrow x=\pm \sqrt{(}-5)$

$\Rightarrow x=\pm \sqrt{5} i$

Ans: $x=\pm \sqrt{5} i$

 

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now