Question

O resultado da expressão(√81+√16-√1)² é

Answer 1

(\/81+\/16-\/1)²

(\/81+\/16-\/1).(\/81+\/16-\/1)

((\/81)²+(\/16).(\/81)+(\/81)(\/-1)+(\/16).(\/81)+(\/16).(\/16)+(\/16).(\/-1)+(\/81)(\/-1)+(\/-1)(\/16)+(\/-1)(\/-1))

81+4.9+(\/-81)+4.9+4.4+(\/-16)+(\/-81)+(\/-16)+(1)

81+36+9i+36+16+4i+9i+4i+1

117+52+1+9i+9i+4i+4i

170+26i Este é o resultado.