A=x-4/x-1 nguyên<=>x-4 chia hết cho x-1
<=>(x-1)-3 chia hết cho x-1
Mà x-1 chia hết cho x-1
=>-3 chia hết cho x-1
=>x-1 \(\in\) Ư(-3)={-3;-1;1;3}
=>x \(\in\) {-2;0;2;4}
so nguyen la gi .neu x la so nguyen thi x thuoc tap hop Z kohay tap hop z la tap hop cac so nguyen à
tap hop cac so nguyen x thoa man (|x-2013|+2014)(x^2+5)(9-x^2)=0 la S=....
GIUP VOI TRA LOI DC MIK TICK CHO
tap hop cac so nguyen x thoa man (|x-2013|+2014)(x^2+5)(9-x^2)=0 la S=....
GIUP VOI TRA LOI DC MIK TICK CHO
tap hop cac so nguyen x thoa man (x^2+4x+7)chia het cho (x+4) la
giup minh voi mai minh nop bai roi : tim cac so nguyen x biet 13 la boi cua x-4
Tap hop cac so nguyen x thoa man : |7-x|=|x+3| la
Tap hop cac gia tri nguyen x thoa man (x^2+4x+13):(x+4) co so phan tu la
tap hop cac so nguyen x thoa man 15-/x-2\=12 la
Viet tap hop A cac so nguyen x biet rang:
-42/14 be hon hoac = x be hon 5/8
Giup mk bai nay voi mk se tick bn nao co loi giai chi tiet