Question

Calcule

( $\sqrt{12}$ + $\sqrt{3}$ - $\sqrt{48}$ )²

Answer 1

(√12 + √3 - √48)²

= (2√3 + √3 - 4√3)²
= (3√3 - 4√3)²
= (- √3)² 
= 3

Resp.: 3
******************************
12: 2
6: 2
3: 3
1        =    4.3 = √4.√3 = 2√3

48: 2
24: 2
12: 2
6: 2
3: 3
1     =  2.2.2.2.3 = 16.3 = √16.√3 = 4√3