if x-1/x=3,find the value of x^2-1/x^2
Answers
Answered by
0
Answer:
(3)
2
=x
2
+
x
2
1
+2
⇒9=x
2
+
x
2
1
+2
⇒x
2
+
x
2
1
+2=9
⇒x
2
+
x
2
1
=9−2=7
∴x
2
+
x
2
1
=7
Answered by
0
Answer:
11
Step-by-step explanation:
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