## anonymous one year ago how do i find the square root of a negative number in terms of complex numbers. for example: sqrt(-64

1. zzr0ck3r

if $$a>0$$ then $$\sqrt{-a}=i\sqrt{a}$$ Example: $\sqrt{-4}=i\sqrt{4}=i*2=2i$

2. anonymous

so my answer would then be 8i?

3. zzr0ck3r

correct

4. anonymous

thatnk!

5. zzr0ck3r

fo sure

6. anonymous

thanks*

7. anonymous

how do you type the square root symbol on the keyboard?