anna4060
08.02.2022 •
Mathematics
Creative Question
Try to solve
If x2-3x-1=0 then,
(A)Find the value of x-1/x
(B)Prove that, x4=119-1/x4
(C)Find the value of x6-1/x3
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Ответ:
10x+20=12x
20=2x
x=10
hope this helps :)