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If R = (7 + 4 sqrt(3))^(2n) = 1 + f , wh...

If `R = (7 + 4 sqrt(3))^(2n) = 1 + f `, where I `in` N and
` 0 lt f lt 1 ` , then R (1 - f) equals

A

1

B

0

C

-1

D

even integer

Text Solution

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The correct Answer is:
a
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Knowledge Check

  • If R=(7I+4sqrt(3))^(2n)=I+f , where I in N and 0 lt f lt 1 , then R(1-f) equals

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    `(1)/(f) -f`
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    C
    `(1)/(1 - f)- f`
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