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Suggested: x4+x2+1 solution - x4+x2+1 factorise - x4+x2+1/x2+x+1 - x4+x2+1=0 - x+1/x=4 then x2+1/x2= - if x+1/x=4 then find x2+1/x2 - for what value of k (4 k)x2+(2k+4)x+(8k+1)=0 is a perfect square - expand (1+x+x2)4 - (k+4)x2+(k+1)x+1=0 find the value of k - x4/x2+1 integration - x4-x2-12 - integration of dx/x4+x2+1 - x4+x3+x2+x+1 - find the lcm of x4-1 x2-2x+1 - x4+x2+1 Browse related:
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