1.

Find the factors - m³ - 1 upon 64m³​

Answer»

>

(4m−7N)(16m

2

+28mn+49n

2

)

We have,64m

3

−343n

3

=(4m)

3

−(7n)

3

USING x

3

−y

3

=(x−y)(x

2

+xy+y

2

)

=(4m−7n){(4m)

2

+(4m)(7n)+(7n)

2

}

=(4m−7n)(16m

2

+28mn+49n

2

)


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