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29 Nov 2022, 02:30
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E
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:
64% (02:06) correct
36%
(01:50)
wrong
based on 25
sessions
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If a and x are integers and a > x what is the value of x ?
(1) a^x = x^a
(2) ax > 0
(1) a^x = x^a
(2) ax > 0
29 Nov 2022, 05:04
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Bunuel
(1) \(a^x = x^a\)
\(2^4=4^2…..x=2\)
\((-2)^{-4}=(-4)^{-2}…….x=-4\)
Insufficient
(2) ax > 0
Insufficient
Combined
2*4 or -2*-4.
Again x can be -4 or 2.
Insufficient
E
29 Nov 2022, 08:57
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given a>x and a and x are integers
statement I
a^x=x^a
for a=4,-2
and x=2,-4
equation is equal
we have x=2 and x=-4
insufficient
statement 2
ax>0
both can be positive or negative
hence insufficient
combining I and II
again we get 2 values of x
therefore correct option E
statement I
a^x=x^a
for a=4,-2
and x=2,-4
equation is equal
we have x=2 and x=-4
insufficient
statement 2
ax>0
both can be positive or negative
hence insufficient
combining I and II
again we get 2 values of x
therefore correct option E
