if x =2√5.prove that x² + 1/x²=18
Answers
Answered by
2
Answer:
18 not equal to 401/20
if x=2√5
x^2+1/x^2=401/20
Attachments:
![](https://hi-static.z-dn.net/files/dcd/edccce6048aafdc25d22689c6319c8f9.jpg)
Similar questions