a+b+c=12 and ab+BC+ca=22 find a square +b square+c square
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31
(a+b+c)² =a²+b²+c² +2(ab +bc +ca)
144= a²+b²+c² +2(22)
144 =a²+b² +c² +44
144 - 44 =a²+b²+c²
a²+b²+c²=100
144= a²+b²+c² +2(22)
144 =a²+b² +c² +44
144 - 44 =a²+b²+c²
a²+b²+c²=100
Answered by
9
your answer is this a square plus b square plus c square is equal to 100
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