[理工] [工數] 矩陣
請問這題怎麼算???感恩>_<
Find out what type of conic section the following quadratic form
T
represents.Transform it to principal axes.express [X1 X2] in terms
T
of the new coordinate vector [Y1 Y2]
2 2
Q=17X1-30X1X2+17X2 =128
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03/18 22:32, , 1F
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