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If x and y are integers, then 1/(x + y) CANNOT be equal to
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22 May 2020, 06:13
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If x and y are integers, then \(\frac{1}{x + y}\) CANNOT be equal to
A. –1
B. -1/2
C. 0
D. 1/2
E. 1
PS21235
A. –1
B. -1/2
C. 0
D. 1/2
E. 1
PS21235
Re: If x and y are integers, then 1/(x + y) CANNOT be equal to
[#permalink]
22 May 2020, 06:18
C
X+Y =0
X= -Y
Now if 1/0 is not defined or we can say infinity.
So value can not be zero.
Posted from my mobile device
X+Y =0
X= -Y
Now if 1/0 is not defined or we can say infinity.
So value can not be zero.
Posted from my mobile device
Re: If x and y are integers, then 1/(x + y) CANNOT be equal to
[#permalink]
22 May 2020, 06:19
2
Kudos
Bunuel wrote:
If x and y are integers, then \(\frac{1}{x + y}\) CANNOT be equal to
A. –1
B. -1/2
C. 0
D. 1/2
E. 1
PS21235
A. –1
B. -1/2
C. 0
D. 1/2
E. 1
PS21235
A \(\frac{1}{1-2}= \frac{1}{-1} = -1\)
B \(\frac{1}{-1-1}=\frac{-1}{2}\)
D\(\frac{1}{1+1}=\frac{1}{2}\)
E \(\frac{1}{2-1}=1\)
ANSWER C