Question

se A=18 raiz de 7 e b= 7 raiz de 7, calcule a+b​

Answer 1

A = $18\sqrt{7}$

B = $7\sqrt{7}$

ele pede:

A + B

$18\sqrt{7}+ 7\sqrt{7} = (18+7)\sqrt{7}$

resultado:

$25\sqrt{7}$