Question

Efectuati:
2√132:√11+14√30:(2√10)+9√21:√7-6x√3
b) (3√2-√5)x√3+√2x(√3-√20)+√5x(√3+√8)=
c) √48x(2√75-√27+2√27)-√48x√13
Ofer multe puncte. Baftă

Answer 1

a) 4√33:√11+14√30:(2√10)+9√21:√7-6√3=
4√3+7√3+9√3-6√3=
14√3
b)(3√2-√5)*√3+√2*(√3-2√5)+√5*(√3+2√2)=
3√6-√15+√6-2√10+√15+2√10=
4√6
c)4√3*(10√3-3√3+6√3)-4√3*√13=
40√9-12√9+24√9-4√39=
40*3-12*3+24*3-4√39=
120-36+72-4√39=
156-4√39