Question

The remainder when 3x4 – 2x3 + x – 7 is divided by x + 1 is

Answer 1

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Answer 2

Given (3x^4 – 2x^3 + x – 7)/(x + 1)
...3x^3-5x^2+5x-4
........................
x+1|3x^4–2x^3 + x – 7
...|3x^4+3x^3
...............
........-5x^3+x
........-5x^3-5x^2
....................
............5x^2+x
............5x^2+5x
......................
.................-4x-7
.................-4x-4
........................
.....................-3
Hence the reminder is -3

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