Saved Bookmarks
| 1. |
If (x-1÷x)=5, then the value of x^2+1÷x^2= |
|
Answer» Answer: 27 Step-by-step EXPLANATION: (x-1÷x)^2=5^2 x^2 + (1/x)^2 -2*x*1/x=25 x^2 + (1/x)^2 -2=25 x^2 + (1/x)^2=25+2 x^2 + (1/x)^2=27 |
|