Respuesta :

Answer:

(a+b) is the answer

Step-by-step explanation:

√(a+b) ²=(a+b) only

because root and square root will cancel each other

merue

Answer:

A

Step-by-step explanation:

Rule : [tex]\sqrt{x^{2} } = x[/tex] => square and square root will cancel each other

[tex]\sqrt{(a+b)^{2} } = (a+b)[/tex]

Hope this helps ^-^