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$If (7 + 4 \sqrt{3})^{n} = I + F where I and n are positive intergers and F is positive$ $proper fraction, then (I + F) (I - F) =$

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(7+43)n(7−43)n=(49−48)n=(1)n=1

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If (7+43)n=I+F where I and n are positive intergers and F is positive proper fraction, then (I+F)(I−F)=

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

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$If (7 + 4 \sqrt{3})^{n} = I + F where I and n are positive intergers and F is positive$ $proper fraction, then (I + F) (I - F) =$