Question

ii) 1 – 8a3 factorize ​

Answer 1

Answer:

1−8a

3

=(1)

3

−(2a)

3

1−8a

3

=(1−2a)((1)

2

+1×2a+(2a)

2

)

1−8a

3

=(1−2a)[1+2a+4a

2

]

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