Réponses

2014-04-18T19:31:26+02:00
A V4/V3 x V3/4 = (V4xV3) / (V3x4) = V4/4 = 2/4 = 1/2 (V se lit racine de)

b V63/V8 x V2/7 = (V63xV2)/(V8x7)
or V8 = V(2x4) = 2V2
V63/V8 x V2/7 = (V63xV2) / (2V2x7) = V63/2*7 = V63/14 =3V7/14