Question

(ab -bc) + (bc-ca) + (ca-ab ) = ______​

Answer 1

Step-by-step explanation:

So first we have to open the brackets, therefore we get

ab-bc + bc-ca + ca-ab

Now let's collect the like terms which means the same terms

Therefore

ab-ab -bc+bc -ca+ca

Since the signs are different therefore the terms are cancelled with their same terms, so

ab-ab is cancelled

-bc+bc is cancelled

-ca+ca is cancelled

Since everything is cancelled therefore we get the answer as 0

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Answer 2

Answer is 0 .

because negative 1 and positive 1 is 0...