Find the squares of the following numbers using column method. Ve… - Vidyadip

Question

Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication,
54

✓

Answer

$(54)^2$

$\text{a}^2$	$\text{2ab}$	$\text{b}^2$
$\ \ \ (5)^2\\=25\\ +\ { 4}$	$2\times5\times4\\=40\\+\ \ 1$	$\ \ \ (4)^2\\=16$
$29$	$41$

$(54)^2=54 \times 54=2961$
$\therefore(54)^2=2961$

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