did he use the chain rule to come up with 1/sqrt(2x+1)

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- Mar 4th 2010, 08:04 PMtbenne3derivative question
- Mar 4th 2010, 08:08 PMtonio
- Mar 4th 2010, 08:10 PMArchie Meade
Yes tbenne3,

skeeter calculated

- Mar 4th 2010, 09:05 PMtbenne3
no i was talking about on the very first line to the far right where it has 1/sqrt(2x+1)

- Mar 4th 2010, 10:04 PMtbenne3
**how did he get 1/sqrt(2x+1) in the very first step??????** - Mar 5th 2010, 02:44 AMArchie Meade
The Quotient Rule is

The is

as I described above by letting