If x-1/x=3/2 find the value of x^2-1/x^2
Answers
Answered by
0
Answer:
(x+
x
1
)
2
=x
2
+
x
2
1
+2×x×
x
1
⇒(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
Similar questions