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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Originally Posted by calypso 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 Your calculation is correct.
Has these being done using the product rule?
Originally Posted by calypso Has these being done using the product rule? Yes.
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