< = > x(x + 1) chia hết cho xy + 1
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TIM CAC SO NGUYEN X SAO CHO ( -2240 : 6X+3 ) : ( 1+ 2 : 3 ) LA SO NGUYEN
10 tháng 8 2023 lúc 16:05
Tim x la so nguyen sao cho 2x^2-x2�2-� chia het cho x+1
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Tim x la so nguyen sao cho
chia het cho
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
tim x nguyen de \(\frac{2012\sqrt{x+5}}{1006\sqrt{x+1}}\)la so nguyen
cho A=\(\frac{\sqrt{x}+1}{\sqrt{x}-3}\)(x\(\ge\)0)
tim so nguyen de A co gia tri la so nguyen
cho x,y,z la cac so huu ti duong thoa man x+1/yz y +1/xz z+1/xy la cac so nguyen tim gia tri lon nhat cua bieu thuc A=x+y^2+z^3
Phan nguyen cua so huu ti x, ki hieu [x] la so nguyen lon nhat ko vuot qua x.
Hay tim phan nguyen cua: \(\left[\frac{5}{2}\right];\left[\frac{-3}{2}\right];\left[0,2\right]\)
tim tat ca cac cap so nguyen x,y thoa man;\(\frac{1}{x}\)+\(\frac{1}{y}\)=\(\frac{1}{p}\)trong do p la so nguyen to cho truoc
tim x,y la so nguyen biet : 3x-2y-xy=1