12. From the sum of x2 – y
2 – 1, y2 – x
2 – 1 and 1 – x
2 – y
2
subtract – (1 + y2
).
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12. From the sum of x2 – y
2 – 1, y2 – x
2 – 1 and 1 – x
2 – y
2
subtract – (1 + y2
).
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Answer:
sorry but I'm not able to understand the problem that you have asked