\(=\dfrac{x^2+2+5x-10}{x^2-4}=\dfrac{x^2+5x-8}{\left(x-2\right)\left(x+2\right)}\)
Đúng 0
Bình luận (0)
\(=\dfrac{x^2+2+5x-10}{x^2-4}=\dfrac{x^2+5x-8}{\left(x-2\right)\left(x+2\right)}\)
cong phan thuc
a)x2+2/x2+4+5/x+2
b)x+y/2+x+2/2x2+4
c)8/(x2+3)(x2-1)+2/x2+3+1/X+1
cong phan thuc
8/(x2+3)+7/x
cong phan thuc
8/(x2+3)(x2-1)+2/x2+3+1/X+1
cong phan thuc
x+y/2+x+2/2x2+4
cong phan thuc
x+y/2(x-y)+2y2/y-x
\(\dfrac{x}{x-y}-\dfrac{1}{x-y}-\dfrac{1-y}{y-x}\)
cong tru phan thuc
tìm x,y,z biết rằng x2/2+y2/3+z2/4 = (x2+y2+z2)/5
Thực hiện phép tính
1/x+2 + 5/2x2+3x-2
-3x2/x3+11 + 1/x2-x+1 +1/x+1
1/1-x +1/1+x +2/1+x2 +4/1+x4
1/x(x+1) + 1/ ( x+1)(x+2) + 1/(x+2)(x+3) + 1/(x+3)(x+4) + 1/(x+4)(x+5) = 5/x2 - 5x