-x3 + x2 + 4 = 0
<=> -(x - 2)(x2 + x + 2) = 0
<=> x - 2 = 0
x = 0 + 2
x = 2
Mà vì x2 + x + 2 # 0
=> x = 2
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-x3 + x2 + 4 = 0
<=> -(x - 2)(x2 + x + 2) = 0
<=> x - 2 = 0
x = 0 + 2
x = 2
Mà vì x2 + x + 2 # 0
=> x = 2
giai phuong trinh x^4-7x^3+14x^2-7x+1=0
Giai phuong trinh
a) (x+1)^4+(x-3)^4=0
b) x^4 + 2x^3 - 4x^2 -5x -6=0
giai phuong trinh x3+x2+4=0
Giai phuong trinh
a) (x+1)^4+(x-3)^4=0
giai phuong trinh sau x^5-5x^4+4x^3+4x^2-5x+1=0
\(\frac{3}{4}\left(x^2+1\right)^2+3\left(x^2+x\right)-9=0\)0
Giai phuong trinh
Giai phuong trinh
(x+1)^4 +(x+3)^4=0
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 x^3 + x^2 - 36 = 0