Find the LCM of $14, 21, 35$ .

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Solution

Step:Finding the L.C.M.
Given, $14, 21, 35$
Using Prime Factorization method,
$14 = 7 \times 2 21 = 7 \times 3 35 = 7 \times 5$
LCM mean Lowest Common Multiple is $7 \times 2 \times 3 \times 5 = 210$
Hence, the LCM is $210$ .

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21 {(x - 1)}^{2}, 35 (x^{4} - x^{2}), 14 (x^{4} - x)

L C M

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Class interval	$7 - 14$	$14 - 21$	$21 - 28$	$28 - 35$	$35 - 42$
Frequency	$2$	$4$	$3$	$10$	$1$

2 x^{3} + 15 x^{2} + 2 x - 35, x^{3} + 8 x^{2} + 4 x - 21

x + 7

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