Math, asked by roshni8914, 4 months ago

Factorise : 1 - 8a^3​

Answers

Answered by lekshmipshine
4

Answer:

(1-2a)(1+2a+4a^2)

Step-by-step explanation:

1−8a  3

 

Using, a  3  −b  3  

=(a−b)(a  2  +ab+b  2  ) =(1)  

3  −(2a)  3

 =(1−2a)[(1  2  )+1×2a+(2a)  2  ]

=(1−2a)(1+2a+4a  2  )

Answered by Anshu200803
0

Answer

1−8a

3

Using, a

3

−b

3

=(a−b)(a

2

+ab+b

2

)

=(1)

3

−(2a)

3

=(1−2a)[(1

2

)+1×2a+(2a)

2

]

=(1−2a)(1+2a+4a

2

)

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