thay x = 3, y = 2 vào đc:
3 + 2 - 32.2 - 1 = -14
thay x = 3, y = 2 vào đc:
3 + 2 - 32.2 - 1 = -14
If T= x^2 + 2xy + y^2 - 2x -2y -1 then the smallest value of T is
If x-y-z=0 và x+2y-10z=0,z khác 0 then the value of B=(2x^2+4xy)/(y^2+z^2)
Find the maximum value of \(M=\frac{x}{2x+y}+\frac{y}{2y+z}+\frac{z}{2z+x}\) , x,y,z > 0
For positive real numbers x,y,z so that: x+y+z = 3. Find the minimum value of expression
A = 1/( x^2 + x) + 1/(y^2+ y) +1/( z^2 +z)
Given x+y=2 then the value of 3x +1 + 3y -2xy - x^2 - y^2 is ??????
Given 5x+y−2z=37,3x−y+2z=11
Find the value of the following expression x+2y−4z.
Given x,y such that x^2-y^2=2. The value of expression A=2(x^6-y^6)-6(x^4+y^4)
If x, y, z satisfy these equations yz = 3/2 - x2/2; zx = 1/2 - y2/2 and xy = 5/2 - z2/2 then the value of Ιx + y + zΙ is ...........
Find the value of the remainder of the division
\(\left(7x-2x^3+4x^4-5\right):\left(x^2+2\right)\)with \(x=\frac{-1}{11}\)
Answer: The value of the remainder is ....
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