Question

dau coroana
ma abonez
repedeeeeeee

Answer 1

rad(a/b)=rad a/rad b
b) (2rad14-rad7/rad2-5*rad8/rad7) * (rad7)/3
=( 2*7rad2 -7/rad2-5*2rad2)/3=( 14*2-7-10*2)/3rad2 = 1/3rad2 = (rad2)/6

c) =|2-rad5| -rad5= rad5-2-rad5= 2

d) 6/rad2[rad(8/9)-rad(125/10)] = 6/rad2 (2rad2/3- rad25/rad2) = 6*2/3-5*6/2=4-15=-11