if a+b+c=6,and ab+bc+ca= 11,find the value of a²+b²+c²
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c=6,and ab+bc+ca= 11,find the value of a²+b²+c²
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We know that, It is given that,
We also know that,
can be written as
Using Formula,
Substituting values in Formula,
Hence, the value of a² + b² + c² = 14.
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