Question

Ajutorrrr va rog frumos ​

Answer 1

a=6√3+√108-4√75+2√147

a=6√3+6√3-4×5√3+2×7√3

a=12√3-20√3+14√3

a=6√3

b=8√3+33√12-5√27

b=8√3+33×2√3-5×3√3

b=8√3+66√3-15√3

b=59√3

$m_{a}= \frac{6\sqrt{3} +59\sqrt{3} }{2} = \frac{65\sqrt{3} }{2}$