Question

Without actual division show that (x+2) is a factor of x⁴-x²-12. ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

By using factor theorem

given,

X +2=0

X=-2

put the valve of X in equation

=(-2)'4 -(-2)'2 -12

=16 -4 - 12

=0

So,X+2 is factor of x'4 - x'2 -12