Question

If x+1/x=11 then find value of x3+1/x3

Answer 1

Answer:

answer is 1298

Step-by-step explanation:

here taking cube of b/sides

=>(x+1/x)^3=(11)^3

=>(x)^3+(1/x)^3+3×x×1/x(x+1x)=1331

=>x^3+1/x^3+3(11)=1331

=>x^3+1/x^3+33=1331

=>x^3+1/x^3=1331-33

=>x^3+1/x^3=1298

hope it helps

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