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UPSC NDA II 2014 Mathematics Paper

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For the next five (05) items that follow:
Consider the expansion (x2+

1

x

)15

[NDA II 2014]

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Question : 29

Total: 120

Consider the following statements :
1. The term containing x2 does not exist in the given expansion.
2. The sum of the coefficients of all the terms in the given expansion is 215.
Which of the above statements is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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