Question

If x-1/x=3, then find the value of (x)3-1 / (x)3.​

Answer 1

Answer:

The value is 18.

Step-by-step explanation:

Hence x^3 + 1/(x^3) = 17.94427191 + 1/17.94427191 = 18. Answer = 18. The value is 18 .

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Answer 2

Answer:

36

Step-by-step explanation:

for example:

From question x+1/x=√3

x+1/x=√3

Cubing on both LHS and RHS we get,

(x+1/x)3=(√3)3

X3+(1/x3)+3(x+(1/x))=3√3

x3+1/x3+3(√3)=3√3

By transporting we get

x3+1/x3+3√3−3√3=0

x3+1/x3=0