where do we use duplex method in our daily life (related to maths)
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Step-by-step explanation:
The duplex of a number is calculated as below: For a single digit number, the duplex is simply the square of the number. Thus the duplex of 2 is 4, the duplex of 6 is 36 and so on. For a 2-digit number, the duplex is simply twice the product of the 2 digits of the number.
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