Question

4. Find the value of k, if x - 1 is a factor of 4x + 3x² - 4x + k.​

Answer 1

$\huge\bigstar\underline\mathcal\green{Answer:-}$

x - 1 is a factor of 4x^3 + 3x^2 -4x +k

then x=1 is one root of 4x^3 + 3x^2 -4x +k

put x= 1

4x^3 +3x^2 -4x +k = 0

=> 4 (1)^3 +3 (1)^2-4 (1) +k =0

=> 4 + 3 - 4 + k = 0

=> k = -3

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Answer 2

Answer: -3

Step-by-step explanation:

Solution given in the attached photo below....

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