Question
It is known that `a+b-c=6`, `ac+bc-ab=2`. Find `a^2+b^2+c^2`.
Difficulty level (1 very easy - 10 very hard): 3
Topics:
Algebra
->
Algebraic Techniques
->
Short Multiplication Formulas / Algebraic Identities
Algebra
->
Equations
There are no comments yet.