Các câu hỏi tương tự
giai phuong trinh sau
(x^2 -1) (x+2) (x-3) = (x-1) (x^2 -4 ) (x +5 )
cho phuong trinh (an x):(m-1)x +m^2 -1=0(1) a,giai phuong trinh (1) voi m=2 b, tim gia tri cua m sao cho phuong trinh (1) nhan x=3 lam nghiem
mk dang can gap .cam on truoc a
giai phuong trinh\(\frac{1}{x+1}-\frac{5}{x-2}=\frac{15}{\left(x+1\right)\left(x-2\right)}\)
giai phuong trinh
a , x(x+1)(x-1)(x+2)= 24
b , (x-4)(x-5)(x-6)(x-7) = 1680
giai phuong trinh:
a)2x(x+5)-(x-3)^2 = x^2 +6
b)(4x+7)(x-5)-3x^2=x(x-1)
cho phuong trinh 2(x^2+m+1)=(1-m)(1+m) <an x>. voi =? thi phuong trinh luon co nghiem
co ghi cach giai
Cho\(\frac{x^2+1}{x}+\frac{x}{x^2+1}=\frac{5}{2}\)
hay giai phuong trinh tren
giai phuong trinh sau : x^5-x^3y-y+1=0
cho phuong trinh an x: \(\frac{x+a}{x+2}+\frac{x-2}{x-a}=2\)
a) giai phuong trinh vs a=4
b)Tim cac gtri cua a sao cho phuong trinh nhan x=-1 lam nghiem