1.

If x+1x=3,x+1x=3, where x≠0,x≠0, then the value of x4+3x3+5x2+3x+1x4+1x4+3x3+5x2+3x+1x4+1 = ?

A. 3
B. 5
C. 7
D. 2
Answer» B. 5


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