Given that the positive real numbers x, y, and z satisfy:
x2+xy+y2=9
y2+yz+z2=16
z2+zx+x2=25
Determine xy+yz+zx
(In reply to
No Subject by Cassandra Michael)
HOW DARE YOU POST SUCH AN IRRELEVANT AND IDIOTIC COMMENT.
EXERCISE MINIMAL NORM OF DECENCY AND PLEASE DESIST FROM DOING SO IN THE FUTURE.