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If (8+3sqrt7)^n=P+F, where P is an integ...

If `(8+3sqrt7)^n=P+F`, where P is an integer and F is a proper fraction, then

A

P is an odd integer

B

P is an even integer

C

`Fcdot(P+F)=1`

D

(1-F)(P+F)=1

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The correct Answer is:
A, D
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