Question
find three geometric means between -2 and 128. Help im very confused about this
Answers
bobpursley
The term geometric mean applies only to numbers with the same sign. Whoever gave you the problem made an error.
Steve
-2r^4 = 128
Can't be done, since r^4 is always positive.
Now, 3 means between 2 and 128 are 4√2,16,32√2
Can't be done, since r^4 is always positive.
Now, 3 means between 2 and 128 are 4√2,16,32√2