3. If x + y + z = 8 and xy + y2 + zx =18, find the value of x^2 + y ^2+ z^2.
Answers
Answered by
1
solve it via (a^2+b^2+c^2+2ab+2bc+2ca) = (a+b+c)^2
Similar questions
India Languages,
7 months ago
Computer Science,
7 months ago
Science,
7 months ago
English,
1 year ago
English,
1 year ago