Các câu hỏi tương tự
rut gon bieu thuc
\(Q=\left(x-y\right)^3+\left(y+x\right)^3+\left(y-x\right)^3-3xy\left(x+y\right)\)
\(P=12\left(5^2+1\right).\left(5^4+1\right).\left(5^8+1\right).\left(5^{16}+1\right)\)
\(\left(x^{10}-y^{10}\right):\left(x^4-x^3y+x^2y^2+xy^3+y^4\right)chung-minh-hai-da-thuc-chia-het-cho-nha\)
6 tháng 10 2021 lúc 15:37
làm tính chia
\(\left[5\left(x-y\right)^4-3\left(x-y\right)^3+4\left(x-y\right)^2\right]:\left(y-x\right)^2\)
phan tich da thuc thanh nhan tu
\(\left(x-y\right)^3-1-3\left(x-y\right)\left(x-y-1\right)\)
5 tháng 10 2021 lúc 20:58
a) làm tính chia
\(\left[5\left(x-y\right)^4-3\left(x-y\right)^3+4\left(x-y\right)^2\right]:\left(y-x\right)^2\)
b) tìm \(x\)
\(\left(4x^4-3x^3\right):\left(-x^3\right)+\left(15x^2+6x\right):3x=0\)
ghi chú: đừng làm tắt được ko ạ?
thực hiện phép chia:
a) \(\left(x-y\right)^5-\left(y-x\right)^3\)
b) \(\left(3y-6x\right)^3:9\left(2x-y\right)\)
c) \(\left[3\left(x-y\right)^5-2\left(x-y\right)^4+3\left(x-y\right)^2\right]:\left[5\left(x-y\right)^2\right]\)
rút gon phan thuc\(\frac{x^3-y^3+z^3+3xyz}{\left(x+y\right)^2+\left(y+z\right)^2+\left(z-x\right)^2}\)
Viet cac da thuc sau duoi dang tich :
a, \(100x^2-\left(x^2+25\right)^2\)
b, \(1+\left(x-y+5\right)^2-2\left(x-y+5\right)\)
c, \(\left(x^2+4y^2-5\right)^2-16\left(x^2y^2+2xy+1\right)\)
d, \(\left(x^2+8x-34\right)^2-\left(3x^2-8x-2\right)^2\)
rut gon bieu thuc
B= \(\frac{x^3-y^3-z^3-3xyz}{\left(x+y\right)^2+\left(y-z\right)^2+\left(x+z\right)^2}\)