... a3 4m 9,5T 3, 0T 4/9 4m 7,0T 4m 3, 0T 7,0T H .3 .11 e = 3, 5tga2 + (9,5 + 10 )tga3 = 3, 5 + 19 ,5. (- ) = - 7,0T 4m 3, 5T H .3 .11 d = 3, 5tga1 + 9,5tga2 + (3 + 7)tga3 = 3, 0T H .3 .11 c a2 4m n = 3, 5 + 9,5 + 10 . (- ... âäüng ngoi â.a.h.N 4-9 phảm vi cạc âäút bë càõt (z = -d hồûc d £ z £ 4d) (H .3. 7c): â.a.h.N2 -1 2 åY = Þ N 1 1- 2 + VA = H .3. 7a Þ N 1 1- 2 = -VA Þ â.a.h.N 1 1- 2 º ( -1 ) .â.a.h.VA N 4-9 N2 -1 1 N2 -1 1 - Khi P = di âäüng ... £ 3d): å M 4ph = Þ N10 -1 1 .h - VB.2d = Þ N 2 -3 = VB 2d h ỉ 2d ÷ â.a.h.VB è h ø Þ â.a.h.N10 -1 1 º ç - P = di âäüng bãn phi âäút bë càõt (4d £ z £ 6d): CÅ HC KÃÚT CÁÚU Page 85 tr å M = Þ -N10 -1 1 .h...