Question

evaluate a square + b square + c square minus 2 a b - 2 BC - 2 CA 4A is equals to 1 b is equals to 1 by 2 and C is equals to 1 by fourth​

Answer 1

Step-by-step explanation:

Therefore, ab+bc+ca lies in the interval

(21 ,1)

it's Isha

Answer 2

Answer:

ab+bc+ca lies in the interval

(21 ,1)

Step-by-step explanation:

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