Question

(-i)⅓=?
plz solve this ​

Answer 1

Answer:

Let x

3

=−i

or

⇒(x

3

+i)=0

⇒(x

3

+(−i)

3

)=0

⇒(x

3

−(i)

3

)=0

⇒(x−i)(x

2

−1+ix)=0

∴x=i

and

⇒x

2

+ix−1=0

⇒x=

2

−i±

−1+4

=

2

−i±

3