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The reciprocal of 3+i sqrt(7) is...

The reciprocal of `3+i sqrt(7)` is

A

`(3)/(16)-(sqrt(7))/(16) i`

B

`(3)/(4)-(sqrt(7))/(4) i`

C

`sqrt(7)+3 i`

D

`3-sqrt(7) i`

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The correct Answer is:
A
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  2. If omega is the cube root of unity of the equation z^(3)=1, then the v...

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  5. If ((1+i sqrt(3))/(1-i sqrt(3)))^(n) is an integer, then n=

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  14. The smallest positive integral value of ' n ' such that [(1+sin (pi)...

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