Question

Find the value of k if p(x)=kx^3+9x^2+4x-10 is divided by (x-3)

Answer 1

hope it helps , I think question is incomplete you have not given any information about remainder so I have assumed r(x)=0

Answer 2

Answer:

Given p(x) = kx^3 + 9x^2 - 4x - 10.

Given g(x) = x - 3.  

By the remainder theorem, we get  

= > x - 3 = 0  

= > x = 3.  

plug x = 3 in p(x), we get

= > k(3)^3 + 9(3)^2 - 4(3) - 10 = -22  

= > 27k + 81 - 12 - 10 = -22  

= > 27k + 59 = -22  

= > 27k = -81

= > k = -3.  

Step-by-step explanation:

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