Practicing Success
Practicing Success
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The square of 42 is: |
1504 1564 1664 1764 |
1764 |
42 x 42 = 1764 OR (a - b)2 = (50 - 8)2 502 + 82 - 2 x 50 x 8 2500 + 64 - 800 2564 - 800 = 1764
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