Factorise1+64x^3 please answer this question
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Given: 1 + 64x^3
= 1^3 + (4x)^3
= (1 + 4x)(1^2 - 4x + (4x)^2)
= (1 + 4x)(1 - 4x + 16x^2)
Hope this helps!
Answered by
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Answer:
64x^3=-1
x^3=-1/64
x=cube root-1/64
x=-1/4
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