SOLUTION: Find the geometric mean between x and 1/x

Algebra.Com
Question 1184972: Find the geometric mean between x and 1/x
Answer by ikleyn(52903)   (Show Source): You can put this solution on YOUR website!
.

Actually,  there are  TWO  possible geometric means between the numbers  x  and  1/x.


One geometric mean between the numbers  x  and  1/x  is the number  1.


Other geometric mean between the numbers  x  and  1/x  is the number  -1.



     +----------------------------------------------------+
     |   So, there are TWO POSSIBLE answers: 1  OR  -1.   |
     +----------------------------------------------------+



It will be good mental exercise for you to think  and to understand WHY IT IS SO.



RELATED QUESTIONS

Find the positive value of X if the geometric mean between 1 and 9 is... (answered by Alan3354,rothauserc,ikleyn)
Let x be the required Geometric Mean (GM) between a and b. Then a, x, b, are the... (answered by robertb)
What id the geometric mean between 1/12 and 427. (answered by venugopalramana)
Find the geometric mean between 7 and 10 (answered by longjonsilver)
find the geometric mean between 7 and... (answered by xcentaur)
Find geometric mean between √3 and... (answered by Boreal)
Find the geometric mean between 12 &... (answered by TimothyLamb)
If the geometric mean of 1/4 and 4 is x+3,find the possible values of... (answered by richwmiller)
Find the geometric mean between 1 and 8. a. 4.5 b. 9 c. square root of 8 d.... (answered by richwmiller)