Các câu hỏi tương tự
thuc hien phep tinh :
a, (x+1)(1+x-x^2+x^3-x^4)-(x-1)(1+x+x^2+x^3+x^4)
b, (2b^2-2-5b+6b^3)(3+3b^2-b)
thuc hien phep tinh:
(x+2)(1+x-x^2+x^3-x^4)-(1-x)(1+x+x^2+x^3+x^4)
tính :
a, (x+1).(1+x-x^2+x^3-x^4)-(x-1).(1+x+x^2+x^3+x^4)
b, (2 b^2-2-5b+6b^3) . (3+3b^2-b)
Giup mk not bai nay , dang gap !
Thuc hien phep tinh:
a, (x -2) ^3 -x(x+1)(x-1) + 6x(x -3)
b, (x-2)(x^2 - 2x +4)(x+2)(x^2 +2x + 4)
Thanks moi ng nha !
thuc hien phep chia
a,(7(x^2-1)^4+2(1-x)^3-3(x-1)^2): 2(x-1)^2
b,5(x^3-y^3)+(x-y)^3:(x-y)^2
1, thực hiện phép tính
a, (x+1).(1+x-x^2+x^3-x^4)-(x-1).(1+x+x^2+x^3+x^4)
b, (2 b^2-2-5b+6b^3) . (3+3b^2-b)
thuc hien phep tinh:3*x^2*(6*x^(n-3)+1)-2*x^n*(9*x^(n-3)-1)
thực hiện phép nhân
a) \(\left(X+1\right)\left(1+X-X^2+X^3-X^4\right)-\left(X-1\right)\left(1+X+X^2+X^3+X^4\right)\)
B) \(\left(2b^2-2-5b+6b^3\right)\left(3+3b^2-b\right)\)
c) \(\left(2ab+2a^2+b^2\right)\left(2ab^2+4a^3-4a^2b\right)\)
d) \(\left(2a^3-0,02a+0,4a^5\right)\left(0,5a^6-0,1a^2+0,03a^4\right)\)
Thuc hien phep tinh
1) \(\frac{1}{x+2}+\frac{3}{x^2-4}+\frac{x-14}{\left(x^2+4x+4\right).\left(x-2\right)}\)
2) \(\frac{x+1}{x-3}-\frac{1-x}{x+3}-\frac{2x.\left(1-x\right)}{9-x^2}\)