If 3 Ouml 3 5 7 P F where P is an integer and F is a proper fraction then F P F is equal to ........

If (3Ö3+5)⁷ =P+F, where P is an integer and F is a proper fraction , then F.(P+F) is equal to

3⁷

2⁶

3⁶

2⁷

2⁷

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