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If the line (x-2)/5=(y+10)/2=(z+3)/2 mee...

If the line `(x-2)/5=(y+10)/2=(z+3)/2` meets the curve `x y=a^2,z=1,` then number of values of `a` is 0 (b) 1 (c) 2 (d) More than 2

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