Question

Expand (K + 4)³





..,....................​

Answer 1

Answer:

=k×k×k×4×4×4

hope this helps you

Answer 2

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It is known that, (a + b)³= a³+ b³ + 3a² * b + 3ab

=(k+4)³(k)³ + (4)³ + 3 * (k)² * (4) + 3

=k³+64+12k² +48k

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