2n </span>'/{\html '<span class="right_angle">n</span>'\html '<span class="right_angle">2n-n</span>'}x^n=184756x^10 \Rightarrow\html '<span class="right_angle">2n </span>'/{\html '<span class="right_angle">n</span>'\html '<span class="right_angle">n</span>'}x^n=184756x^10 \Rightarrow\html '<span class="right_angle">20 </span>'/{\html '<span class="right_angle">10</span>'\html '<span class="right_angle">10</span>'}x^n=184756x^10 Hence, n=10" >

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UPSC NDA 2 2019 Mathematics Solved Paper

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Question : 25

Total: 120

If the middle term in the expansion of (x2+

)2n is 184756x10, then what is the value of n?

10
8
5
4

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