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The smallest number which can be …

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The smallest number which can be shown by two dotted rectangle is __________
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Gadadhar Naik 5 years, 6 months ago

11

Meghna Thapar 5 years, 6 months ago

The numbers that can be arranged to form a rectangle are called Rectangular Numbers (also known as Pronic numbers). The first few rectangular numbers are: 0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462 . . . . . . Given a number n, find n-th rectangular number.  The number 2 is a rectangular number because it is 1 row by 2 columns. The number 6 is a rectangular number because it is 2 rows by 3 columns, and the number 8 is a rectangular number because it is 2 rows by 4 columns.

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