find the value of x+y+z if x2+y2-z2=18 and xy+yz+zx=9
Answers
Answered by
21
Answer:
hi
Step-by-step explanation:
hope it's help you.
6 ans
Attachments:
Similar questions
Social Sciences,
4 months ago
History,
4 months ago
Math,
4 months ago
English,
8 months ago
Accountancy,
8 months ago
Biology,
11 months ago
Math,
11 months ago
Math,
11 months ago