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picture1_Precalculus Pdf 169825 | 29apr14


picture2_Precalculus Pdf 169825 | 29apr14 picture3_Precalculus Pdf 169825 | 29apr14

 132x       Filetype PDF       File size 0.11 MB       Source: faculty.collin.edu


File: Precalculus Pdf 169825 | 29apr14
This problem comes from MATH 2412 Precalculus – David Katz Is there an easier way to do the algebra to transform a conic equation to eliminate the xy-term? The short ...

icon picture PDF Filetype PDF | Posted on 26 Jan 2023 | 2 years ago
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...This problem comes from math precalculus david katz is there an easier way to do the algebra transform a conic equation eliminate xy term short answer yes using matrices represent and appropriate rotation we can quickly into one with no following discussion was adapted book on by pettofrezzo first compare general form for in x y coefficients b c d e f corresponding matrix notation same bd ax be bxy cy dx ey de next step determine of axes about origin that transforms such vanishes s are now parallel or perpendicular coordinate will let point before coordinates after relative new inx angle computed formulacot set up multiplication which rotates degrees cos sin yxy extending arithmetic three dimensions have equivalent representation xys cosxy extra dimension necessary so multiply other dimensional statement moment also need transpose recall product equals transposes reverse order finally substituting statements axcos well it above longer has big advantage here done calculator spreadsheet ...
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