How do you condense log(pi) + 2log r?

1 Answer
Alan P.
Jun 1, 2016

log(pi)+2log(r)=color(green)(log(pir^2)

Explanation:

Remember
color(white)("XXX")a*log(b) = log(b^a)
and
color(white)("XXX")log(c)+log(d)=log(c*d)

Therefore
log(pi)+2log(r)
color(white)("XXX")=log(pi)+log(r^2)

color(white)("XXX")=log(pir^2)

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