求下列差分方程的通解及特解: (1)yx+1-5yx=3 (y。=7/3) (2)yx+1+yx=2x (y。=2) (3)yx+1+4yx=2x2+x-1 (y。=1) (4)yx+2+3yx+1-7/4yx=9 (y。=6,y1=3) (5)y

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问题 求下列差分方程的通解及特解:
(1)yx+1-5yx=3    (y。=7/3)
(2)yx+1+yx=2x  (y。=2)
(3)yx+1+4yx=2x2+x-1 (y。=1)
(4)yx+2+3yx+1-7/4yx=9 (y。=6,y1=3)
(5)yx+2-4yx+1+16yx=0(y。=0,y1=1)
(6)yx+2-2yx+1+2yx=0 (y。=2,y1=2)

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