GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
x^-1-y^-1
[#permalink]
12 Jun 2024, 00:06
12 Jun 2024, 00:06
Expert Reply
1
Bookmarks
00:00
Question Stats:
75% (01:03) correct
25% (01:05) wrong based on 20 sessions
Hide Show timer Statistics
\(x^{-1}-y^{-1}=(xy)^{-1}\)
\(xy \neq\) zero
\(xy \neq\) zero
Quantity A |
Quantity B |
x |
y |
Part of the project: GRE Quant & Verbal ADVANCED Daily Challenge 2024 Edition - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
Re: x^-1-y^-1
[#permalink]
12 Jun 2024, 14:39
12 Jun 2024, 14:39
Carcass wrote:
\(x^{-1}-y^{-1}=(xy)^{-1}\)
\(xy \neq\) zero
\(xy \neq\) zero
Quantity A |
Quantity B |
x |
y |
Part of the project: GRE Quant & Verbal ADVANCED Daily Challenge 2024 Edition - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
Howw??
Re: x^-1-y^-1
[#permalink]
13 Jun 2024, 00:38
13 Jun 2024, 00:38
Expert Reply
Please make a review how to deal with powers and roots
https://gre.myprepclub.com/forum/gre-ma ... 24948.html
https://gre.myprepclub.com/forum/how-to ... ml#p104869
This \(x^{-1}-y^{-1}=(xy)^{-1}\)
will become
\(\frac{1}{x}-\frac{1}{y}=\frac{1}{xy}\)
\(\frac{y-x}{xy}=\frac{1}{xy}\)
Solve and we have that
\(y=x+1\)
QA is just x
QB is the result of x+1
B>A
https://gre.myprepclub.com/forum/gre-ma ... 24948.html
https://gre.myprepclub.com/forum/how-to ... ml#p104869
This \(x^{-1}-y^{-1}=(xy)^{-1}\)
will become
\(\frac{1}{x}-\frac{1}{y}=\frac{1}{xy}\)
\(\frac{y-x}{xy}=\frac{1}{xy}\)
Solve and we have that
\(y=x+1\)
QA is just x
QB is the result of x+1
B>A
