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Question

Find the square of 59 without direct multiplication.

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Solution

Take the difference of given number and 25.

Find the square of difference of the given number and 50
59-25 = 34


<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> (5950)2 = 81

  • Place these two numbers together
    Square of 59 is 3481.


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