With explanation
If x²-1/x =66 then find
(i) x-1/x
(ii) x+1/x
I am in stress plz Type the true answer if you know :-(
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With explanation
If x²-1/x =66 then find
(i) x-1/x
(ii) x+1/x
I am in stress plz Type the true answer if you know :-(
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Answer:
8 is the right answer I think? I don't know.
Step-by-step explanation:
x−
x
1
)
2
=x
2
+
x
2
1
−2×x×
x
1
=x
2
+
x
2
1
−2
(x−
x
1
)
2
=66−2=64
⇒(x−
x
1
)=8