16. Show that :
(i) x + 3 is a factor of 69 + 11x - x2 + x3.
(i) 2x – 3 is a factor of x + 2x3 - 9x2 + 12.
Answers
Answered by
2
x+3 is factor of it so ,
let's assume p(x)=0
than,x+3=0
x=-3
by putting the value of x=-3
=69+11×-3-(-3)^2+(-3)^3
=69-33-9-27
=69-69
=0 hence it is proved that it is factor of it because remainder is 0 which is necessary to be factor.
Answered by
3
x+3 is factor of it so ,
let's assume p(x)=0
than,x+3=0
x=-3
by putting the value of x=-3
=69+11×-3-(-3)^2+(-3)^3
=69-33-9-27
=69-69
=0 hence it is proved that it is factor of it because remainder is 0 which is necessary to be factor.
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