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Question

Question: \(\int_{}^{}\frac{x^{4}–x^{2} + 1}{x^{2}–x + 1}\) dx =...

x4x2+1x2x+1\int_{}^{}\frac{x^{4}–x^{2} + 1}{x^{2}–x + 1} dx =

A

13x3+12x2+x+c\frac{1}{3}x^{3} + \frac{1}{2}x^{2} + x + c

B

13x312x2+x+c\frac{1}{3}x^{3}–\frac{1}{2}x^{2} + x + c

C

13x3+12x2x+c\frac{1}{3}x^{3} + \frac{1}{2}x^{2}–x + c

D

None of these

Answer

13x3+12x2+x+c\frac{1}{3}x^{3} + \frac{1}{2}x^{2} + x + c

Explanation

Solution

x4+x2+1x2x+1\int \frac { x ^ { 4 } + x ^ { 2 } + 1 } { x ^ { 2 } - x + 1 }dx

=

= x33+x22+x+c\frac { x ^ { 3 } } { 3 } + \frac { x ^ { 2 } } { 2 } + x + c