TACH PHAN THUC HUU TI BANG CASIO app eduka luyen thi

... c d     1 1 ( x  1) (x  1) (x  2) (x  3) x 1 x 1 x  x  Tim a,b,c,d Kieu 1: Nguyen tac: VT (mau cua phan thuc can tim) a? x2  x  (x  1), calc -1+0.00000001  a=1 1 ( x  1) (x ... 1) ( x  1) ( x  x  2) b( x  x  2) ' c b(2 x  2)  c  ( x  x  2) ( x  x  2) Tim b,c: mode 5,3 tim nghiem phuc cua mau x  x  nen x  x   co nghiem phuc x=i-1 x 1 x 1 4 4 ( x... 2)(x  1) (x  1) 25 25 25 25 4  b= ; c 50 25 x 1 Tim d: ( x  1) , calc 1,0000001  d= 2 ( x  x  2)(x  1)  x 1 d b(2 x  2)  c  Tim a:    ( x  1)  a    2 25  ( x  x  2)(x