Question

expand ( a+ 8y) cube​

Answer 1

Answer:

$\left(a+8y\right)^3\\= a^3+3a^2\cdot \:8y+3a\left(8y\right)^2+\left(8y\right)^3\\= a^3+24ya^2+192ay^2+512y^3$

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Answer 2

=>( a+ 8y)³

=>(a)³+ 3a²*8y + 3a*(8y)² + (8y)³

=> a³ + 24a²y + 192ay² + 512y³