|
|
GMAT 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.
04 Aug 2021, 06:00
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
69% (01:59) correct
31%
(02:03)
wrong
based on 132
sessions
History
Date
Time
Result
Not Attempted Yet
If x is an integer, is \(4^{x}+4^{-x}=y\) ?
(1) \(2^{x}+2^{-x}=\sqrt{y+2}\)
(2) \(4^{2x}+1=4^{x}y\)
(1) \(2^{x}+2^{-x}=\sqrt{y+2}\)
(2) \(4^{2x}+1=4^{x}y\)
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
04 Aug 2021, 07:28
Kudos
Bookmarks
Bunuel
Posted from my mobile device
Attachments
File comment: D will be the ans as explained in the attachment
IMG_20210804_195643.jpg [ 5 MiB | Viewed 2421 times ]
04 Aug 2021, 09:29
Kudos
Bookmarks
Answer D - both answers independently are sufficient
