Asked by Mike
Which is the exact value of the expression sqrt 32- sqrt 50 + sqrt 128
2 sqrt 7
7 sqrt 2
22 sqrt 2
2 sqrt 55
2 sqrt 7
7 sqrt 2
22 sqrt 2
2 sqrt 55
Answers
Answered by
Bosnian
sqrt(32)=sqrt(2)*sqrt(16)=sqrt(2)*4
sqrt(50)=sqrt(2)*sqrt(25)=sqrt(2)*5
sqrt(128)=sqrt(2)*sqrt(64)=sqrt(2)*8
sqrt(32)-sqrt(50)+sqrt(128)=
sqrt(2)*4-sqrt(2)*5+sqrt(2)*8=
sqrt(2)*(4-5+8)=
sqrt(2)*7
OR
7*sqrt(2)
sqrt(50)=sqrt(2)*sqrt(25)=sqrt(2)*5
sqrt(128)=sqrt(2)*sqrt(64)=sqrt(2)*8
sqrt(32)-sqrt(50)+sqrt(128)=
sqrt(2)*4-sqrt(2)*5+sqrt(2)*8=
sqrt(2)*(4-5+8)=
sqrt(2)*7
OR
7*sqrt(2)