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by sanju09 » Wed Jul 16, 2014 10:36 pm
If x > 0, y > 0, and n is a perfect square odd integer, how many negative terms will 2(x – y)^√n have when expanded?
A. ½(n – 1)
B. ½n
C. ½(n + 1)
D. ½{(√n) – 1}
E. ½{(√n) + 1}


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by GMATinsight » Thu Jul 17, 2014 9:12 am
sanju09 wrote:If x > 0, y > 0, and n is a perfect square odd integer, how many negative terms will 2(x – y)^√n have when expanded?
A. ½(n – 1)
B. ½n
C. ½(n + 1)
D. ½{(√n) – 1}
E. ½{(√n) + 1}
Please find the explanation mentioned below:

Image



Answer: Option E
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