Speed Math Squaring and Square Roots Squaring using Duplex Method


The concept of DUPLEX has to be learned before you learn SQUARING ANY NUMBER USING DUPLEX METHOD.

Squaring using Duplex Method

When can I use this method?

For squaring any number.

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Notes –

  1. Notice the patterns in which the digits are selected.
  2. Notice the way the individual values are added.
  3. This method uses the concept of (a + b +c +…)2 =  a2 +  b2 + c2 + … 2ab + 2bc + 2ac + … (It is a simplified version of the Multinomial Theorem)

Related Shortcuts –

Squaring Any Number using Duplex Method

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