Question
Find the value of using the column method:
$(35)^2$
$(35)^2$
✓
Answer
Given number $35 = 30\ +$ 5Here,
$a = 30$ and $b = 5$
$\therefore (35)^2= (900 + 300 + 25) = 1225$
$a = 30$ and $b = 5$
|
$a^2$
|
$2ab$
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$b^2$
|
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$(30)^2= 900$
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$2 \times 30 \times 5 = 300$
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$(5)^2= 25$
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