Bài 3: Rút gọn phân thức
Các câu hỏi tương tự
rut gon phan thuc
\(\dfrac{\left(-x\right)^5.a^2}{x^2.\left(-a\right)^3}\)
phan tich tu va mau thanh nhan tu roi rut gon
a, 3x^2-12x+12/x^4-8x
b,7x^2+14x+7/3x^2+3x
\(\dfrac{x^2+5+5x+6}{x^2-4}\) rút gon dùm mình
Xem chi tiết
Rut gon A = \(\frac{x^2-2x+1}{x^2-x}-\frac{2x^3-x^2}{x^4-x^3}\)
CHO E=\(\left(\frac{x^3}{x^3-4x}+\frac{6}{6-3x}+\frac{1}{2+x}\right):\left(x+2+\frac{10-x^2}{x-2}\right)\)
a) Rut gon E
b) Tim x thuoc Z sao cho E thuoc Z
Rút gon phân thức a)8x^3+y^3/y^3+2xy^2+y^2-4x^2 b)x^2-2x-8/2x^2+9x+10 c)6x-x^2-5/5x^6-x^7. d)x^3+64/2x^3-8x^2+32x. e) x^2+3xy+2y^2/x^3+2x^2y-xy^2-2y^3
Rút gon: \(\dfrac{x^5+x+1}{x^3+x^2+x}\)
cho \(\dfrac{x}{a}=\dfrac{y}{b}=\dfrac{z}{c}\) rut gon\(\dfrac{\left(x^2+y^2+z^2\right)\left(a^2+b^2+c^2\right)}{\left(ax+by+cz\right)^22}\)
a, [(x/x^2-25) - (x-5/X^2+5x)] : (2x-5/x^2+5x) + ( x/ 5-x)
b, [(9/x^3-9x) + (1/x+3)] : [(x-3/x^2+ 3x) - ( x/3x+9)]
c, (1/x-1) - (x^3-x/x^2+1) . [(x/x^2+1-2x) + (1/1-x^2)]
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