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web.cerritos.eduweb.cerritos.edu/dford/SitePages/Math_60_F07/p71hw.pdf · 6. 9122 — 4ab + a2 9b2, —4ab, a 2 7 ... 19. 22. 25. 28. 31. 34. 37. 40. 43. 46. 49. 52. 5 — 8n —

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Page 1: web.cerritos.eduweb.cerritos.edu/dford/SitePages/Math_60_F07/p71hw.pdf · 6. 9122 — 4ab + a2 9b2, —4ab, a 2 7 ... 19. 22. 25. 28. 31. 34. 37. 40. 43. 46. 49. 52. 5 — 8n —