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underset(nrarroo)(lim)(3.2^(n+1)-4.5^(n+...

`underset(nrarroo)(lim)(3.2^(n+1)-4.5^(n+1))/(5.2^(n)+7.5^(n))=`

A

`3/5`

B

`-(4)/(7)`

C

`-(20)/(7)`

D

0

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The correct Answer is:
C
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