Question

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a^{2}b^{2}-a^{2}c^{2}+b^{2}({\color{#c92786}{c^{2}-a^{2}}})+c^{2}(a^{2}-1b^{2})

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Answer 1

Answer:

2

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2

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2

)

+

2

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1

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a^{2}b^{2}-a^{2}c^{2}+b^{2}({\color{#c92786}{c^{2}-a^{2}}})+c^{2}(a^{2}-1b^{2})

2

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2

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2

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−

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2

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2

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1

2

)

Answer 2

Answer:

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