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If a=(sqrt3+ sqrt2)/(sqrt3- sqrt2) and b...

If `a=(sqrt3+ sqrt2)/(sqrt3- sqrt2)` and `b=(sqrt3- sqrt2)/(sqrt3+sqrt2)`, then what is the value of `a^2+b^2-ab`?

A

A)97

B

B)`(2 sqrt3)+2`

C

C)`(4 sqrt6)+1`

D

D)98

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