Question

If x+1/x=3 then find the value of x3+1/x3​

Answer 1

Step-by-step explanation:

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

3 cube=x3+1/x3+3(3)

27=x3+1/x3+9

x3+1/x3=27-9

x3+1/x3=18

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