Răspuns :
Răspuns:
[tex] \sqrt{72} = \sqrt{ {6}^{2} \times 2 } = 6 \sqrt{2} [/tex]
[tex] \sqrt{48} = \sqrt{ {2}^{4} \times 3} = {2}^{2} \sqrt{3} = 4 \sqrt{3} [/tex]
[tex] \sqrt{75} = \sqrt{ {5}^{2} \times 3 } = 5 \sqrt{3} [/tex]
a) √72=√(6²×2)=6√2
b) √48=√(4²×3)=4√3
c) √75=√(5²×3)=5√3