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Model Paper 6 — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsModel Paper 62 Marks
Question
Write $E = (14, 21, 28, 35, 42, ..., 98)$ in set$-$builder form.
✓

Answer

Now,
$14=7 \times 2$
$21=7 \times 3$
$28=7 \times 4$
$35=7 \times 5$
$42=7 \times 6$
$98=7 \times 14$
Therefore,the given set can be write as
$E=\{x: x=7 n, n \in N$ and $1 \leq n \leq 14\}$

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