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

Asked 18-Sep-2019
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If x-1 / x = 3, then value of x3 - 1/x3 is:

a) 32

b) 36

c) 40

d) 49

Anonymous User
asked by Anonymous User in math
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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 ?

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Anonymous User
answered 19-Sep-2019 by Anonymous User
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