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(3/5)^2+(5/3)^-2
[#permalink]
06 Dec 2019, 04:33
06 Dec 2019, 04:33
Expert Reply
1
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00:00
Question Stats:
82% (00:55) correct
17% (00:22) wrong based on 45 sessions
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\((\frac{3}{5})^2+(\frac{5}{3})^-2=\)
A. \(0\)
B. \(2 (\frac{3}{5})^2\)
C. \((\frac{3}{5}+\frac{5}{3})^2\)
D. \((\frac{3}{5} + \frac{3}{5})^2\)
E. \(1\)
Kudos for the right answer and explanation
_________________
A. \(0\)
B. \(2 (\frac{3}{5})^2\)
C. \((\frac{3}{5}+\frac{5}{3})^2\)
D. \((\frac{3}{5} + \frac{3}{5})^2\)
E. \(1\)
Kudos for the right answer and explanation
_________________
Re: (3/5)^2+(5/3)^-2
[#permalink]
06 Dec 2019, 06:50
06 Dec 2019, 06:50
1
1
Bookmarks
Carcass wrote:
\((\frac{3}{5})^2+(\frac{5}{3})^{-2}=\)
A. \(0\)
B. \(2 (\frac{3}{5})^2\)
C. \((\frac{3}{5}+\frac{5}{3})^2\)
D. \((\frac{3}{5} + \frac{3}{5})^2\)
E. \(1\)
Kudos for the right answer and explanation
A. \(0\)
B. \(2 (\frac{3}{5})^2\)
C. \((\frac{3}{5}+\frac{5}{3})^2\)
D. \((\frac{3}{5} + \frac{3}{5})^2\)
E. \(1\)
Kudos for the right answer and explanation
Key property: \((\frac{a}{b})^{-n} = (\frac{b}{a})^{n}\)
For example: \((\frac{2}{7})^{-3} = (\frac{7}{2})^{3}\)
So.....
\((\frac{3}{5})^2+(\frac{5}{3})^{-2}=(\frac{3}{5})^2+(\frac{3}{5})^2\)
\(= 2(\frac{3}{5})^2\)
Answer: B
Cheers,
Brent
_________________
Re: (3/5)^2+(5/3)^-2
[#permalink]
15 Feb 2023, 10:30
15 Feb 2023, 10:30
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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