InterviewSolution
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InterviewSolution
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If `S=(a)/(1-r^(3))`, then expres r in terms of S and a.A. `r=root(3)(1+(a)/(S))`B. `r=root(3)(1+(S)/(a))`C. `r=root(3)(1-(S)/(a))`D. `r=root(3)(1-(a)/(S))` |
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Answer» Correct Answer - D `S=(a)/(1-r^(3))Rs` `implies1-r^(3)=(a)/(S)impliesr^(3)=1-(a)/(S)` `thereforer=root(3)(1-(a)/(S))` |
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