Question

if a=2 and b=3 find the value of a³-b³
in definition ​

Answer 1

$a = 2 \\ \\ b = 3 \\ \\ \implies \: {a}^{3} - {b}^{3} \\ \\ = {2}^{3} - {3}^{3} \\ \\ \implies \: {2}^{3} = 2 \times 2 \times 2 = 8 \\ \\ \implies \: {3}^{3} = 3 \times 3 \times 3 = 27 \\ \\ = 8 - 27 \\ \\ = - 19$

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Answer 2

Step-by-step explanation:

a³-b³

=2³-3³

=8-27

-19