Im trying to understand some notes, can someone please explain if the following is the case?

$\displaystyle d/dr [r * da/dr ]$

does this equal

$\displaystyle da/dr + r * d^2a / dr^2$

Thanks

Calypso

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- Mar 22nd 2010, 02:24 AMcalypsoExpanding formula
Im trying to understand some notes, can someone please explain if the following is the case?

$\displaystyle d/dr [r * da/dr ]$

does this equal

$\displaystyle da/dr + r * d^2a / dr^2$

Thanks

Calypso - Mar 22nd 2010, 02:28 AMsa-ri-ga-ma
- Mar 22nd 2010, 02:34 AMcalypso
Has these being done using the product rule?

- Mar 22nd 2010, 04:07 AMsa-ri-ga-ma