Math, asked by MrDe, 3 days ago

Given that a + b + c = 6 and ab + bc + ca = 11, find the value of a² + b^2 + c^2. Also, if a + b -c=-5, use a suitable identity to find the value of (a + b)^2 - c^2.

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Answered by brr572612

2

Answer:

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Step-by-step explanation:

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