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Sequences and Series question

2015 · Shift 2 · Q28
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  5. /2015 · Shift 2 · Q28

Sequences and Series question

2015 · Shift 2 · Q28

JEE AdvancedMathematicsSequences and SeriesNumerical+4 / −1
The coefficient of x9{x^9}x9 in the expansion of (1 + x) (1 +x2){x^2)}x2)(1 +x3{x^3}x3) .... (1+x100)(1 + {x^{100}})(1+x100) is
Numerical answer
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