Question

Q.26. Show that x-3 is a factor of the polynomial f(x)=x3 + x2 +3x +15.​

Answer 1

Answer:

x=3

f(3)=(3)3+(3)2+3(3)+15

=9+6+9+15

=39

therefore x-3 is not the factor of f(x)=x3 + x2 +3x +15

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