Răspunsuri

2014-06-03T16:26:32+03:00
A/2=b/3=c/4=k
a=2k
b=3k
c=4k
6x4k²+9k²-2x16k²=9
24k²+9k²-32k²=9
k²=1
k=+-1
k=1⇒a=2, b=3, c=4
k=-1⇒a=-1, b=-3, c=-4