Mathematics, 16.06.2021 14:00 courtlyn8

A²+b²+c²=138 and ab +bc+ca=3, Find a+b+c $a ^{2} + b {}^{2} + c { = 138} and \: ab + bc + ca \: find \: a + b + c$
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A²+b²+c²=138 and ab +bc+ca=3, Find a+b+c
ans pls?...