Determine all possible real x that satisfy this equation:
(1/x)x = 4x+1/16
(In reply to
Find my error by Larry)
Why would you expect differentiating to give the same solutions? You are finding where the functions have the same instantaneous rates of change. That's very different from the points of intersection.
If you look at a graph you can see why your solution is between the two given by Charlie.
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Posted by Jer
on 2023-10-15 11:49:28 |