Question

a + b + c? - 2ab + 2bc - 2ca =
a) (a - b-c)
b)(a + b + c)
c)(a - b + c)2
d) (a + b -c)​

Answer 1

Answer:

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Step-by-step explanation:

Maheshwar Maheshwar Maheshwar

Answer 2

Answer:

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Step-by-step explanation:

a² + b² + c² - 2ab + 2bc - 2ca = (a - b - c )²