Question

( \sqrt{9} ^{2} - (2) ^{3} + (3 ^{2}) - 5 ^{2} + 3 ^{​

Answer 1

Respuesta:

9-2√3-2 √5 +2√15= 9-2√3-2√5 +2√3√5 =1+3+5-2√3-2√5 +2√3√5 =1^2+√3^2 +√5 ^2-2 *1*√3 -2* √5 *1+2* √3*√5 =(1-√3-√5^2 root(9-2√3 -2 √5 +2√15)=root((1-√3-√5)^2) =1-√3-√5