1.

Show that -1 and 4 are zeros of the polynomial x^3-13x-12.Also find the third zero.

Answer»

ANSWER:

X^3-13x =12.

Case1:- Put x= -1 in EQN

(-1)^3 -13(-1)=12

12= 12

Case2:- Put x= 4 in eqn

64-52 =12

12=12

Third zero is x=3

Hope U satisfied with the answer



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