Question
Find the value of using the column method:
$(52)^2$
$(52)^2$
✓
Answer
Given number $52 = 50 + 2$ Here,
$a = 50$ and $b = 2$
$\therefore$ $(52)^2= (2500 + 200 + 4) = 2704$
$a = 50$ and $b = 2$
|
$a^2$
|
2ab
|
$b^2$
|
|
$(50)^2= 2500$
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$2 × 50 × 2 = 200$
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$(2)^2= 4$
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