Arithmetical Ability If a, b, c \in \mathbb{R} \and a \neq b \neq c, then \frac{(a-b)^2}{(b-c) (c-a)}+(b-c)^2/{(a-b)(b-a)}+ \frac{(c-a)^2}{(a-b)(b-c)}=

AP ICET 11 Sep 2020 Shift 1 Paper

Question : 86 of 200

Marks: +1, -0

Arithmetical Ability

a, b, c ∈ ℝ \ \and a ≠ b ≠ c

, then

{(a-b)^2}/{(b-c) (c-a)}+(b-c)^2/{(a-b)(b-a)}+ {(c-a)^2}/{(a-b)(b-c)}=

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