Posted - 20/03/2003 : 11:15:23
tinh tich phan bat dinh:
tich phan cua dx tren x mu 5 cong 1
dia chi email cua tui la tuananh20012003@yahoo.com
cho cac ban
1 L A T E S T R E P L I E S (Newest First)
TUNHANVUONG
Posted - 22/03/2003 : 07:19:02
ban nen phan tich x^5+1 thanh:
(x+1)[x^2+(-1-canbachaicua5)/2.x+1][x^2+(-1+canbachaicua5)/2.x+1]tiep denphan tich:
1/(x^5+1)thanh A/(x+1)+ (Bx+C)/[x^2+(-1-canbachaicua5)/2.x+1]+
(Dx+E)/[x^2+(-1+canbachaicua5)/2.x+1]
dung dong nhat thuc tim cac he so A,B,C,D,E roi tiep theo ban thuc hien not cong doan cuoi cung, bye