Question

a^2{a^2(1/c2 - 1/b^2)+b^2(1/a^2- 1/c^2)+c^2(1/b^2- 1/a^2)}/{1/bc(1/c-1/b)+1/ca(1/a-1/c)+1/ab(1/b-1/a)}​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation: