help (1 Viewer)

[mathsbrain]

Is the answer to x^(2/3)=4
a) 8
b) 8 or -8?

 

[Queenroot]

okay got it ya it's b

 

[mathsbrain]

thanks, what if its x^x=sqrt(27/8)?

 

[bujolover]

thanks, what if its x^x=sqrt(27/8)?

x^x = sqrt(27/8)
= ((3/2)³)^1/2
= (3/2)^3/2

Therefore, x = 3/2

Hope this helps.