rut gon phan thuc
3x-6
x-2
rut gon phan thuc A=(x^3-6x+7)/(x^3+5x^2-2x-24)
cho phan thuc \(\frac{x+1}{x^2+x}\)
a) tim dieu kien cua x de gia tri phan thuc duoc xac dinh
b) rut gon phan thuc
c) tinh gia tri phan thuc tai x = 2014
\(\frac{x^4-y^4}{y^3-x^3}\)
rut gon phan thuc
rut gon phan thuc
a3+1
a2+3a+4
2n^3 + 4n^2 + 3n +1 / 4n^4 +1
rut gon phan thuc
a^3 + b^3 + 3abc - c^3 / (a+b)^2 - c^2 rut gon phan thuc dai so
cho x/a=y/b=z/c .hay rut gon phan thuc P=(x^2+y^2+z^2)/(ax+by+cz)^2
RUT GON PHAN THUC
\(\frac{y^2-x^2}{x^3-3x^2y+3xy^2-y^3}\)
cho phan thuc :\(\frac{x^2-10x+25}{x^2-5x}\)\(\left(x\ne0;x\ne5\right)\)
a) Rut gon phan thuc
b) Tim x de phan thuc co gia tri bang 0
c) Tim x de phan thuc co gia tri bang \(\frac{5}{2}\)
