The number of real roots of equation \( x^{8}-x^{5}+x^{2}-x+2= \) 0 is (a) 2 (b) 4 (c) 6 (d) 0

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The number of real roots of equation \( x^{8}-x^{5}+x^{2}-x+2= \) 0 is
(a) 2
(b) 4
(c) 6
(d) 0
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