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20 Oct 2021, 08:15
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C
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17%
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If m + n is an integer, then the reciprocal of m + n could equal all of the following EXCEPT
A) –1
B) any fraction between –1 and 0
C) 0
D) any fraction between 0 and 1
E) 1
A) –1
B) any fraction between –1 and 0
C) 0
D) any fraction between 0 and 1
E) 1
20 Oct 2021, 10:31
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Bunuel
Key property: If \(\frac{a}{b} = 0\), then \(a\) must equal zero
Given: \(m + n\) is an integer
So, \(\frac{1}{m + n}\) is the reciprocal of \(m+n\)
In order for \(\frac{1}{m + n}\) to equal zero, the numerator must be zero.
Since the numerator of \(\frac{1}{m + n}\) is already 1, we know that \(\frac{1}{m + n}\) can never equal 0
Answer: C
General Discussion
20 Oct 2021, 23:03
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m + n is an integer
The reciprocal of m + n is \(\frac{1}{ m + n}\)
It can be any value except 0 as the numerator is already 1.
Answer C
The reciprocal of m + n is \(\frac{1}{ m + n}\)
It can be any value except 0 as the numerator is already 1.
Answer C
