Find the value of k , if x – 1 is a factor of the polynomial p(x) = x
3 + 4x
2 + x – k.
Answers
Answered by
1
Answer:
Value of k = 6
Given Polynomial ;
p ( x ) = x³ + 4x² + x - k
( x - 1 ) is a factor
x = 1
( 1 )³ + 4 ( 1 ) ² + 1 - k
1 + 4 + 1 = k
k = 6
6
Answered by
0
Answer:
(i) 3 + 4x = 3 + 4(1)
= 3 + 4 = 7
(ii) 2 + x - k = 2 + 1 - k = 0
= 3 - k = 0
k = -3
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