Các câu hỏi tương tự
tim x;y biet
x-y=xy-1
cho x thuoc tap so nguyen biet
x^3 -x^2 -2x^2 +2x chia het cho 6
tim a de 2x^3-2x^3+x+a chia het cho x+2
cau 1 cho x y la 2 so thoa man x2-y2 =2
vay gia tri cua bieu thuc A=2(x6-y6)-6(x4+y4)=.................
cau 2 ch da thuc A(X)=2X2 +ax+b
biet da thuc A(X) chia het cho da thuc B(x)=x-3 va C(x)=2x+1
vay 3a-2b=...................
bai 1:tim xa)x+x2-x3-x40b)2x3+3x2+2x+30c)x4-2x3+10x2-20x0bai 2:tim cap so (x,y) bietxy+3x-4y12bai 3:voi gia tri nao cua xa)x3-x2+3x-30b)x3+x3+9x+90c)4x3-14x2+6x-210d)x2(2x2+3)+2x2+30bai 4:CMR hieu binh phuong 2 so le lien tiep thi chia het cho 8
Đọc tiếp
bai 1:tim x
a)x+x2-x3-x4=0
b)2x3+3x2+2x+3=0
c)x4-2x3+10x2-20x=0
bai 2:tim cap so (x,y) biet
xy+3x-4y=12
bai 3:voi gia tri nao cua x
a)x3-x2+3x-3>0
b)x3+x3+9x+9<0
c)4x3-14x2+6x-21<0
d)x2(2x2+3)+2x2+3>0
bai 4:CMR hieu binh phuong 2 so le lien tiep thi chia het cho 8
choP=(1/(x-2)-x^2/(8-x^3)*(x^2+2x+4)/(x+2)0/1/(x^2-4) tim DKXD va rut gon b tim Min p c tim x nguyen de p chia het cho x^2+1
1)Tim MAX cua A= (6x^2-2x+1)/ x^2
2)tim MIN va MAX C= (3-4x)/(X^2+1)
3) Tim MIN va MAX P = x^2+y^2
biet giua x va y co moi quan he nhu sau : 5x^2+8xy+5y^2=36
4)tim MAX Q = -x^2-y^2+xy+2x+2y
Tim x thuoc z de:
a, x3 - 3x2 - 3x - 1 chia het cho x2 + x + 1
b, x3 - x2 + 2x + 7 chia het cho x2 + 1
tim a de x^4+ax^2+1 chia het cho x^2+2x+1
cho x+y=5 tim max A=x^4+y^4-4(x^3+y^3)-20(x^2+y^2)-2x^2y^2+xy