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Real Number Resolution (
Posted on 20150808
)
Find all real numbers A, B and C such that:
(A+1)*B*C =12, and:
(B+1)*A*C =4, and:
(C+1)*A*B =4
No Solution Yet
Submitted by
K Sengupta
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that's all
Comment 2 of 2 
Given symmetry in eq 2 and 3, b=c.
Then from eq 1, A = 12/B^2  1
and from eq 2, A= 4/(B^2 + B)
Equate those values to get a cubic equation with roots (2,2,3) from which the full solution follows.
Posted by
xdog
on 20150809 09:34:19
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