Math, asked by pinak3939, 10 months ago

plss solve the above que.​

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Answers

Answered by Anonymous
2

Answer:

234

Step-by-step explanation:

x^2 + 1/x^2 = 38

We can write the same equation as,

=> x^2 + 1/x^2 = 36 + 2

=> x^2 + 1/x^2 - 2 = 36

=> (x - 1/x)^2 = 36

=> (x - 1/x) = 6

We have to find x^3 - 1/x^3 value.

=> x^3 - 1/x^3

=> (x - 1/x)^3 + 3 * x * 1/x(x - 1/x)

=> (6)^3 + 3(x - 1/x)

=> 216 + 3(6)

=> 234

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