if x plus 1/x=root 7 find x cube/1/x cube
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Answer:
please reframe the last sentence (x cube/1/x cube)
Step-by-step explanation:
Answered by
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Step-by-step explanation:
find x2 + 1/x2 first
then apply (a3 +b3) =(a+b)(a2+b2-ab)
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