1.

A plane P contains the lineL1 : y/b + z/c =1, x =0 and is parallel to the line L _(2) : x/a - z/c = 1, y =0. If shortest distance between the lines L _(1) and L _(2) is 1/4 then the value of (1)/(a ^(2)) + (1)/(b ^(2)) + (1)/(c ^(2)) equals

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192

Answer :B


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