1.

If the first-degree terms of x²+4xy+y²-2x+2y-6=0 are eliminated by translation of axes then the transformed equation isA) x²+4xy+y²=8B) x²+4xy+y²=6C) x²+4xy+y²=4D) x²+4xy+y²=2

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ANSWER:

the NUMBER of this 673=672_

12_67265=°77366

255×6275276=737655



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