if x-1 is a factor of ax^3+x^2-3x+4a-9
Answers
Answered by
6
Answer:
Let p(x)=ax
3
+x
2
−2x+4a−9
As (x+1) is a factor of p(x)
∴p(−1)=0 [By factor theorem]
⇒a(−1)
3
+(−1)
2
−2(−1)+4a−9=0
⇒a(−1)+1+2+4a−9=0
⇒−a+4a−6=0
⇒3a−6=0⇒3a=6⇒a=2
Answered by
1
Answer:
No, x-1 is not factor of ax^3+x^2-3x+4a-9
factor of ax^3+x^2-3x+4a-9 is x+1
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