# Dupl 2

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Education

Published on June 3, 2008

Author: amishbhavsar

Source: authorstream.com

Slide 1: Step 2 – Add all the Duplex values as shown Example 3 6 8 72 Squaring any Number using Duplex method 3 6 8 7 Step 1 – Calculate Duplex values of digits of the Number as shown Final Answer 3 6 8 7 2 = 1 3 5 9 3 9 6 9 Make sure to notice the pattern in which the digits are selected 4 9 1 2 4 8 1 1 0 9 6 9 3 9 + Select digits 7 72 = 0 4 9 Duplex value 8 7 2(8 x 7) = 1 1 2 Duplex value 6 8 7 2(6 x 7) + 82 = 1 4 8 Duplex value 3 8 8 4 3 6 0 0 1 0 9 0 3 6 8 7 2(3 x 7) + 2(6 x 8) = 1 3 8 Duplex value 3 6 8 2(3 x 8) + 62 = 0 8 4 Duplex value 3 6 2(3 x 6) = 0 3 6 Duplex value 3 32 = 0 0 9 Duplex value 5 3 1 © LazyMaths.com

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