7.The degree of the polynomial (x + 1)(x2 – x – x4 +1) is: *
2 points
(A)2
(B) 3
(C) 4
(D) 5
Answers
Answered by
1
=(x+1)(x
2
−x−x
4
+1)
=x
3
−x
2
−x
5
+x+x
2
−x−x
4
+1
=x
3
−x
5
−x
4
+1
The heighest power of x is 5.
Thus, the degree of the given polynomial is 5
2
−x−x
4
+1)
=x
3
−x
2
−x
5
+x+x
2
−x−x
4
+1
=x
3
−x
5
−x
4
+1
The heighest power of x is 5.
Thus, the degree of the given polynomial is 5
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