a square + b square + c square is equal to 250 and a b + BC + AC is equal to 3 a + b + c
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a²+b²+c²=250
ab+bc+ac=3
We know,
(a+b+c)²=a²+b²+c²+2(ab+bc+ac)
(a+b+c)²=250+2*3
(a+b+c)=√256
=16
Hence,
(a+b+c)=16
ab+bc+ac=3
We know,
(a+b+c)²=a²+b²+c²+2(ab+bc+ac)
(a+b+c)²=250+2*3
(a+b+c)=√256
=16
Hence,
(a+b+c)=16
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