Q. 13

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Answer :

For x2 –2 to be a factor of x4 + x3 + x2 – 2 x – 3, on Division of x4 + x3 + x2 – 2 x – 3 by x2 –2, remainder should be equal to zero.



Remainder = 3


As the Remainder ≠ 0, x2 –2 is not a factor of x4 + x3 + x2 – 2 x – 3


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