Mathematics
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OpenStudy (anonymous):
Find the area of the region that is bounded by the given curve and lies in the specified sector
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OpenStudy (anonymous):
\[r=\sqrt \theta , 0\le \theta \le \frac{ \pi }{ 4 }\]
OpenStudy (anonymous):
\[\int\limits_{0}^{\frac{ \pi }{ 4 }}\frac{ 1 }{ 2 } \theta d \theta\]
OpenStudy (ankitshaw):
its simple integration .. give it a try..
OpenStudy (anonymous):
\[\frac{ 1 }{ 2 }\frac{( \frac{ \pi }{ 4 } )^3}{ 3 }\]
OpenStudy (anonymous):
\[\frac{ \frac{ \pi }{ 64 } }{ 6 }\]
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OpenStudy (anonymous):
the answer is \[\frac{ \pi^2 }{ 64 }\]
OpenStudy (anonymous):
im just not getting that
OpenStudy (anonymous):
can u help me i'm begging u i dont want to fail please
OpenStudy (anonymous):
please
OpenStudy (anonymous):
with what?
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OpenStudy (anonymous):
this
OpenStudy (anonymous):
I am the one that posted this question hun. I need help too
OpenStudy (anonymous):
OK me to and i have no idea on how to get the help?
OpenStudy (anonymous):
just hang tight, maybe someone will come through for us
OpenStudy (anonymous):
i hope so
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OpenStudy (anonymous):
on the urge for crying
OpenStudy (ankitshaw):
you have made some mistake in performing integration
OpenStudy (anonymous):
ok...?
OpenStudy (ankitshaw):
\[\int\limits \theta d \theta = \theta^2 /2\]
OpenStudy (ankitshaw):
i hope this help now try to do it correctly. with your question.
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OpenStudy (anonymous):
\[\int\limits_{0}^{\frac{ \pi }{ 4 }}\frac{ 1 }{ 2 }(\theta)^2d \theta= \frac{ 1 }{ 2 }\int\limits_{0}^{\frac{ \pi }{ 4 }}\theta d \theta = \frac{ 1 }{ 2 }(\frac{ \theta^2 }{ 2 })\]\[= \frac{ 1 }{ 2 }(\frac{ (\frac{ \pi }{ 4 })^2 }{ 2 })= \frac{ 1 }{ 2 }(\frac{ \pi^2 }{ 32 })= \frac{ \pi^2 }{ 64 }\]
OpenStudy (anonymous):
is this correct?
OpenStudy (ankitshaw):
yes
OpenStudy (anonymous):
thank you so much!
OpenStudy (ankitshaw):
welcome..
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OpenStudy (anonymous):
@home_work check out my steps here hun