Question

if x³-6x²+11x-6=0 then find the value of 3x-4=
a) 1,2,3. b)-1,3,5 c)-1,2,5 d) 2,3,5​

Answer 1

Answer:

c) -1, 2, 5

Step-by-step explanation:

we can put x = 1 in cubic eqn which tells that (x-1) is a factor of the cubic eqn

by long division betn cubic eqn and (x-1)

gives q(x) =

${x}^{2} - 5x + 6$

then by solving this quadratic equation we get x = 2,3

hence by substituting each value in 3x - 4 we get the answer