C
conangbuongbinh_97


Ta su dung tinh chat luy thua cung bac cua cac so nguyen lien tiep...de dua phuong trinh nghiem nguyen can giai ve dang phuong trinh khac it an hon va quen thuoc hon.Tu do,tim ra nghiem nguyen cua cac phuong trinh da cho
Van dung cac nhan xet:
x^n<y^n<(x+a)^n thi y^n=(x+i)^n voi i thuoc 1,2,...,a-1
x(x+1)...(x+n)<y(y+1)...(y+n)<(x+a)(x+a+1)...(x+a+n) thi:
y(y+1)...(y+n)=(x+i)(x+i+1)...(x+i+n) voi i thuoc 1,2,...,a-1
(voix,y la cac so nguyen;a,n la cac so nguyen lon hon 1)
Van dung cac nhan xet:
x^n<y^n<(x+a)^n thi y^n=(x+i)^n voi i thuoc 1,2,...,a-1
x(x+1)...(x+n)<y(y+1)...(y+n)<(x+a)(x+a+1)...(x+a+n) thi:
y(y+1)...(y+n)=(x+i)(x+i+1)...(x+i+n) voi i thuoc 1,2,...,a-1
(voix,y la cac so nguyen;a,n la cac so nguyen lon hon 1)
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