Find the value of p such that (x – 1) is a factor of the polynomial x3 + 10x2 + px?
Answers
Answered by
9
1^3+10×1^2+p×1=0
1+10+p=0
:p=-11ans
Answered by
15
if (x-1) is a factor
then x= 1
: f (x) = 1^3 +10 + p
:= 1 + 10 +p
:= 11 + p =0
:= p= -11
then x= 1
: f (x) = 1^3 +10 + p
:= 1 + 10 +p
:= 11 + p =0
:= p= -11
sangeetakgoyal:
it is 10 x^2
now
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