InterviewSolution
Saved Bookmarks
| 1. |
If `x=(1)/(5+2sqrt(6))` , then `x^(2)-10x+1=`_______.A. 1B. `-1`C. 1D. 10 |
|
Answer» Correct Answer - C `x=(1)/(5+2sqrt(6))` `x=(5-2sqrt(6))/(25-24) =x =5-2sqrt(6)` `(1)/(x)=5+2sqrt(6) implies x+(1)/(x)=10` `x^(2)+1=10x implies x^(2) -10x+1=0` |
|