Developer d=V8+V2 V=Racine Carré

[tex] \sqrt{8}+ \sqrt{2}= \sqrt{4\times 2}+ \sqrt{2}= \sqrt{4}\times \sqrt{2}+ \sqrt{2}=2 \sqrt{2}+ \sqrt{2} =3 \sqrt{2} [/tex]

d= v8+v2
d= v4*2 + v2
d= 2v2 +v2
d= 3v2