a,b,c are positive real numbers
a(b+c)=32
b(c+a)=65
c(a+b)=77
find abc

• ab+ac=32 ->ab=32-ac
  ac+cb=77 ->cb=77-ac
  ab+cb=65 ->(32-ac)+(77-ac)=65
  -2ac=65-109
  2ac=44
  ac=22
  cb=55
  ab=10
  a².b².c²=22.55.10
  (a.b.c)²=12100
  a.b.c=110
• 7 years agoHelpfull: Yes(2) No(0)
• 110. find ab, bc, ca. Then u can find abc.
• 8 years agoHelpfull: Yes(1) No(0)
• ab+ac=32 eq-(1)
  ab+cb=65 eq-(2)
  ac+cb=77
• 8 years agoHelpfull: Yes(0) No(0)