If x²+1/x²=81 ,then what's the value of x+1/x?
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0
Answer:
x=
2
79
−
83
≈−0.111119581, y=
2
(
79
−
83
)s−
79
−
83
x=
2
83
−
79
≈0.111119581, y=
2
(
83
−
79
)s+
79
+
83
x=
2
−
79
−
83
≈−8.999313998, y=
2
−(
79
+
83
)s+
79
−
83
x=
2
79
+
83
≈8.999313998, y=
2
(
79
+
83
)s+
83
−
79
Graph
Step-by-step explanation:
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