answer fast please with full explain
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Answer above pls mark as brainliest.
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Step-by-step explanation:
We know (a+b+c)^2=a^2+b^2+c^2+2ab +2bc+2ca
So12^2=50+2(ab+bc+ca)
144=50+2(ab+bc+ca)
94=2(ab+bc+ca)
ab+bc+ca=47
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