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1. Classify the conics in R2 with the following equations. Determine the centre/vertex and axis of...

1. Classify the conics in R2 with the following equations. Determine the centre/vertex and axis of each.

(a) x2 ? 4xy ? 2y2 + 6x + 12y + 21 = 0

(b) x2 ? 4xy + 4y2 ? 6x ? 8y + 5 = 0

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