If -1 is a zero of the polynomial p(x) =ax^3-x^2+x+4 then find the
value of a
Answers
Answered by
0
Answer:
7/3
Step-by-step explanation:
ax3-x2+x+4=0
a(-1)3-(-1)2-(-1)+4=0
-3a+2+1+4=0
-3a+7=0
-3a=-7
a=-7/-3
a= 7/3
Answered by
0
Answer:
a = -4
Step-by-step explanation:
x=-1
replacing x with -1
= -a + 1 - 1 + 4
Now, -a + 1 - 1 + 4 = 0
or, -a = 4
or, a = -4
Therefore, a = -4
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