Respuesta :

it’s the fourth answer.
For this case we have the following expression:
 root (b) * root (b)
 Rewriting we have:
 root (b * b)
 Then, for power properties:
 root (b ^ 2)
 Finally, we have:
 root (b ^ 2) = b
 Answer:
 
The equivalent expression is given by:
 
b
 option 3