If x-1 / x = 3, then value of x3 - 1/x3 is ?

Asked 6 years ago 3008 views
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If x-1 / x = 3, then value of x3 - 1/x3 is:

a) 32

b) 36

c) 40

d) 49

asked by Anonymous User in math

1 Answer

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Answer -- The right option is  (b)                                                                                

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If x-1 / x = 3, then value of x3 - 1/x3 is ?

answered 6 years ago Anonymous User

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