Question
Find the square of $71$
✓
Answer
$71$
$71 = 70 + 1$
Therefore, $71^2= (70 + 1)^2$
$= 4900 + 70 + 70 + 1$
$= 5041$
$71 = 70 + 1$
Therefore, $71^2= (70 + 1)^2$
$= 4900 + 70 + 70 + 1$
$= 5041$
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