Question

find the the value of, k for which x-1 is the factor of polynomial 4x³+3x²-4x-k​

Answer 1

Answer:

k=3

Step-by-step explanation:

x=1

4*(1*1*1)+3(1*1)-4*1-k=0

4+3-4-k=0

3-k=0

ie. k=3

Answer 2

Answer:

k is equal to 3

Step-by-step explanation:

as x-1 is a factor of the equation so, through factor theorem

x-1 = 0

x = 1

as the equation has a factor so equation must be equal to 0

4x³+3x²-4x-k​ = 0

putting x as 1

4+3-4-k = 0

3-k=0

-k= -3

k = 3

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