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20 Dec 2015, 05:14
Kudos
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E
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Difficulty:
5%
(low)
Question Stats:
81% (00:39) correct
19%
(00:45)
wrong
based on 441
sessions
History
Date
Time
Result
Not Attempted Yet
20 Dec 2015, 05:34
Kudos
Bookmarks
(1) –|p| = −2
=>|p| = 2
p can be 2 or - 2
Not sufficient
(2) p^2 – 4 = 0
=> p^2 = 4
p can be 2 or - 2
Not sufficient
Answer E
=>|p| = 2
p can be 2 or - 2
Not sufficient
(2) p^2 – 4 = 0
=> p^2 = 4
p can be 2 or - 2
Not sufficient
Answer E
General Discussion
06 Mar 2018, 04:09
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Bookmarks
Bunuel
Q: p = ?
St 1 : –|p| = −2
Cancelling negative sign we get |p| = 2
as |p| is an absolute value, it has two values = 2 & -2. Not sufficient
St 2 : p^2 - 4 = 0
p^2 = 4
It has two solutions, p = 2 & -2 Not sufficient
Combining we will get p = 2 & -2. Not sufficient
E
