If x^2 + 1÷x2 =11 then x - 1÷x will be what
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Answered by
0
Answer:
+3 or -3
Step-by-step explanation:
x² + 1/x² = 11
using (a-b)² = a² + b² +2ab
we can write above eq as
(x - 1/x)² + (2*x²*1/x²) = 11
(x - 1/x)² + 2 = 11
(x - 1/x)² = 9
(x - 1/x) = √9
(x - 1/x) = +3 or -3
Answered by
0
Answer:
3
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