Question

Calculati A)√2+√50-√32 B)√3(√27+4√3) C)(√3+2) total la puterea 2 -√12 D)√2(2√2+√72) E)3√48-5√3-2√27 F)√45-√75. Pe -------------------

Answer 1

A)√2+√50-√32 =
=√2+5√2-4√2 =
=2√2

B)√3(√27+4√3)=
=√81+4√9=
=9+4*3=
=9+12=
=21

C)(√3+2)²-√12=
=3+4√3+4-2√3=
=7+2√3

D)√2(2√2+√72)=
=√2(2√2+6√2)=
=2*2+6*2=
=4+12=
=16

E)3√48-5√3-2√27=
=12√3-5√3-6√3=
=√3

F)√45-√75=
=3√5-5√3