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If 2alpha=-1-isqrt(3)and2beta=-1+isqrt(3...

If `2alpha=-1-isqrt(3)and2beta=-1+isqrt(3)`, then
find`5alpha^(4)+5beta^(4)+7alpha^(-1)beta^(-1)`

A

`-1`

B

`-2`

C

0

D

2

Text Solution

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