x^3-6x^2+11x-6= 0 হলে x =?
Answers
Answered by
2
Answer:
x^3-6x^2+11x-6
=x^3-x^2-5x^2+5x+6x-6
=x^2(x-1)-5x(x-1)+6(x-1)
=(x-1)(x^2-5x+6)
=(x-1)(x^2-3x-2x+6)
=(x-1) x(x-3)-2(x-3)
=(x-1)(x-2)(x-3)
(x-1)(x-2)(x-3)=0
Then,x=1,2,3
Similar questions