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Suppose, a, b, c are three distinct real...

Suppose, a, b, c are three distinct real numbers. Let P (x) =`((x-b)(x-c))/((a-b)(a-c))+((x-c)(x-a))/((b-c)(b-a))+((x-a)(x-b))/((c-a)(c-b))`.
When simplified, P (x) becomes

A

1

B

x

C

`x^(2)`

D

none of these

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A
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