if 1/x=3 find x²+1/x²
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Answered by
1
Answer:
82/9
Step-by-step explanation:
1/x = 3
(1/x)² = 3²
1/x² = 9
x² = 1/9
x²+1/x² = 9+1/9 = 81+1 /9 = 82/9
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Answered by
4
Answer:
We are given that
x+1/x = 3
We can use the formula
(n^2 -2)
Where n = 3
Which is value of x + 1/ x
(3^2 -2)
= 9 -2
= 7 ( answer)
Step-by-step explanation:
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