InterviewSolution
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\frac { 3 \times ( 27 ) ^ { n + 1 } + 9 \times 3 ^ { ( 3 n - 1 ) } } { 8 x ^ { 3 } - 5 x ( 27 ) ^ { n } } |
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Answer» (27)^(n+1)=(3^3)^(n+1)=3^(3n+3)27^n=(3^3)^n=3^3ntake 3^3n common from numerator and denominator 3^3n{(3×3^3)+(9×1/3)}/3^3n {8-5}(81+3)/384/328 |
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