Question

If x plus one upon x is equal to 3 find the value of x cube + 1 upon x cube

Answer 1

Answer:

x3+1/x3=3

Step-by-step explanation:

x+1/x=3

Cubing both the side

(x+1/x)^3=3^3

x3+1/x3+3.x.1/x+(x+1/x)=9

x3+1/x3+3+3=9

x3+1/x3=9-6

x3+1/x3=3

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