Question

simplify of polynomials which contains 3 marks​

Answer 1

the ans is zero

because in the numerator

(a²-b²)+(b²-c²)+(c²-a²)

a²-b²+b²-c²+c²-a²

all gets cancelled

it becomes zero

so 0 divided by any number is zero

Answer 2

this is your answer i hope you satisfied