Question

2.Find the value of
$41 {}^{3}$
using the formula.
In​

Answer 1

Step-by-step explanation:

${(41)}^{3} \\= {(40 + 1)}^{3} \\= {(40)}^{3} + {(1)}^{3} + 3 \times 40 \times 1(40 + 1) \\ = 64000 + 1 + 120 \times 41 \\ = 64000 + 1 + 4920 \\ = 68921$

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