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Mathematics
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OpenStudy (anonymous):
Medal + Fan awarded
http://imgur.com/ZXM0w2g
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OpenStudy (anonymous):
@zaibali.qasmi @xapproachesinfinity
OpenStudy (anonymous):
Please explain this one
OpenStudy (solomonzelman):
\(\huge\color{blue}{ P=2( \frac{3 \sqrt{5}}{\sqrt{7}} +\frac{2 \sqrt{3}}{\sqrt{5}}) }\)
OpenStudy (anonymous):
simply add them both and take LCM...
OpenStudy (anonymous):
So it's B?
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OpenStudy (solomonzelman):
Multiply the top and bottom of 1st fraction times `√7` and top and bottom of second fraction times `√5`.
OpenStudy (solomonzelman):
\(\huge\color{blue}{ P=2( \frac{3 \sqrt{35}}{7} +\frac{2 \sqrt{15}}{5}) }\)
OpenStudy (solomonzelman):
then expand the expression.
\(\huge\color{blue}{ P= \frac{6 \sqrt{35}}{7} +\frac{4 \sqrt{15}}{5} }\)
OpenStudy (solomonzelman):
Option C, even though it is wrong, since it is incomplete, but it is the BEST option
OpenStudy (anonymous):
Oh my bad C
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OpenStudy (solomonzelman):
You don;t need to fan me or medal.
OpenStudy (anonymous):
Don't worry I will! You guys are helping me out a lot
OpenStudy (xapproachesinfinity):
it is c. he explained it while i was doing it to see what anwser is right
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