Which of the following is obtained by subtracting x2-y2 from y2 - x2?*
1 point
-2(x2-y2)
-2(x2 + y2)
2(x2+ y2)
22(x2 - y2)
. What degree does x3 - x2y2 - 8y2+ 2 have? *
2
3, 4
7
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Answer:
Here are the answer of these questions.
= 2(y^2-x^2)
= 4
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