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Mathematics

Factorise :

a3 + 0.064

Factorisation

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Answer

Given,

    a3 + 0.064

= (a)3 + (0.4)3

= (a + 0.4)[a2 - 0.4 × a + (0.4)2]

= (a + 0.4)(a2 - 0.4a + 0.16)

Hence, a3 + 0.064 = (a + 0.4)(a2 - 0.4a + 0.16)

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