maths question.. :- factories by identity... 1+64xcube
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Answer:
1³+4x³=(1+4x)(1+16x²-4x)
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(1)^3+(4x)^3 {based on the formula of a^3+b^3}
so,
=(1+4x)(1^2-1×4x+(4x)^2)
=(1+4x)(1-4x+16x^2)
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