Question

Quer a Add (a-b), (b-c) and (c-a).
(a) 2a
(b) 2b
(c) 2c
(d) none​

Answer 1

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(a-b) + (b-c) + (c-a)

= a - b + b - c + c - a

= a - a + b - b + c - c

= 0 + 0 + 0

= 0

sᴏ, ᴛʜᴇ ᴄᴏʀʀᴇᴄᴛ ᴀɴsᴡᴇʀ ɪs 0.

ᴏᴘᴛɪᴏɴ (ᴅ)

Answer 2

answer is our questions is

(d) =none