Question

If +1 is a zero of the polynomial p(x) ax³-x²+x+4, then the value of a is

Answer 1

Answer:

a=-4

Step-by-step explanation:

here x=l

Then,

p(1)=a(1) cube-(1) square+1+4

p(1)=a(1)-1+1+4

p(1)=a-1+1+4

p(1)=a+0+4

p(1)=a+4

a+4=0

a=-4

Therefore a= -4