UPSC NDA II 2023 Mathematics Solved Paper
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Consider the following for the next three (03) items that follow :
Let( 1 + x ) n = 1 + T 1 x + T 2 x 2 + T 3 x 3 + . . . + T n x n
Let
[NDA II 2023]
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Question : 38 of 120
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What is T 1 + 2 T 2 + 3 T 3 + . . . + nT n
[NDA II 2023]
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