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Sequences and Series · 2018 · 16 Apr · Shift 1

1 Mathematics questions from this JEE Main paper

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JEE Main
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2018 · 16 Apr · Shift 1
Mathematics
Sequences and Series

Sequences and Series · 2018 · 16 Apr · Shift 1

1 Mathematics questions from this JEE Main paper

Q31.Let $\frac{1}{x _{1}}, \frac{1}{x _{2}}, ..., \frac{1}{x _{n}}$ (xi $e$ 0 for i = 1, 2, ..., n) be in A.P. such that x1=4 and x21 = 20. If n is the least positive integer for which $x_{n} > 50,$ then $i = 1 \sum n (\frac{1}{x _{i}})$ …
Mathematics · Sequences and Series · MCQ