Question
Find the cubes of the following numbers by column method:
$35$
$35$
✓
Answer
We have to find the cube of 35 using column method.
We have: $a=3$ and $b=5$
We have: $a=3$ and $b=5$
|
Column I
|
Column II
|
Column III
|
Column IV
|
| $a ^3$ | $3 \times a ^2 \times b$ | $3 \times a ^{-1} b^2$ | $B^3$ |
| $3^3=27$ | $3 \times a ^2 \times b =3 \times 3^2 \times 5=135$ | $3 \times a \times b ^2=3 \times 3 \times 5^2=255$ | $5^3=125$ |
|
+15
|
+23
|
+12
|
125
|
|
42
|
158
|
237
|
|
|
42
|
8
|
7
|
5
|
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