If x=1/x-5,find the values of
(i) x-1/x
(ii) x+1/x
(iii) x^3-1/x^3
Answers
Answered by
3
Answer:
Given, x−
x
1
=5
Squaring both the sides,
⇒(x−
x
1
)
2
=5
2
⇒x
2
+
x
2
1
−2(x)(
x
1
)=25
⇒x
2
+
x
2
1
=25+2
⇒x
2
+
x
2
1
=27
Now,
x
3
−
x
3
1
=(x−
x
1
)[(x)
2
+(
x
1
)
2
+(x)(
x
1
)]
=5(27+1)
=140
mark me as brainliest pls..
Answered by
2
Answer:
sorry guy up given answer is correct
Similar questions