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Q10 ans beside

@abcd the expression is square of distance between $x_{2}+y_{2}=1$ and $xy=1$
Min distance will be $2 −1$
Its square is $3−22 $
So $a=3$ and $b=−2$
Q10 ans beside
@abcd the expression is square of distance between $x_{2}+y_{2}=1$ and $xy=1$
Min distance will be $2 −1$
Its square is $3−22 $
So $a=3$ and $b=−2$