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Mathematics 12 Online
OpenStudy (anonymous):

HELP ON CALCULUS

OpenStudy (anonymous):

OpenStudy (anonymous):

@satellite73 @ganeshie8

OpenStudy (perl):

which problem ?

OpenStudy (anonymous):

question 1 please

OpenStudy (anonymous):

\[\log((x-1)(x-2))=\log(x-1)+\log(x-2)\] derivative is \[\frac{1}{x-1}+\frac{1}{x-2}\] for example

OpenStudy (anonymous):

what i meant to say was "log of the product is the sum of the logs"

OpenStudy (anonymous):

so my solution becomes 1/(x-r1) + 1(x-r2) and continued?

OpenStudy (perl):

correct

OpenStudy (anonymous):

Thanks bro's

OpenStudy (anonymous):

anyone help me with integration by parts quest please

OpenStudy (anonymous):

@satellite73

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

what about a by parts?

OpenStudy (anonymous):

i need to know to solve it

OpenStudy (amistre64):

i dont see a by parts question ...

OpenStudy (amistre64):

by parts assumes that the integral was created from a product rule

OpenStudy (amistre64):

\[[uv]'=u'v+uv'\] \[\int[uv]'=\int u'v+\int uv'\] \[uv=\int u'v+\int uv'\] \[\int uv'=uv-\int vu'\]

OpenStudy (anonymous):

i know the formula, but i must know how to implement and execute it further though

OpenStudy (anonymous):

u=z^n

OpenStudy (anonymous):

dv= log z dz

OpenStudy (anonymous):

integrating dv we can find v

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