Question

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Answer 1

Answer:

Step-by-step explanation:

a^3+b^3+c^3 -3.a.b.c=(a+b+c)(a^2+b^2+c^2-a.b-bc-ca)………….(1)

x^3 + 1/x^3 - 2

=x^3+1/x^3+1 -3

=(x)^3+(1/x)^3 +(1)^3–3.x.1/x.1

=(x+1/x+1)(x^2+1/x^2+1^2-x.1/x-1/x.1–1.x)

=(x+1/x+1)(x^2+1/x^2+1–1–1/x-x)

=(x+1/x+1)(x^2+1/x^2–1/x-x)

MARK AS BRAINLIST ANSWER

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Answer 2

Answer:

ok I will help you.

Step-by-step explanation:

${x}^{3} + \frac{1}{ {x}^{3} } - 2$

the question is wrong..

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