iran-konkur 2014 Q132

iran-konkur · Other · konkur-riazi_1393 Not Maths
132- Two skew lines $d$ and $d'$ and a point $A$ on line $d$ are given. We want to draw a line through point $A$ that passes through both lines $d$ and $d'$ and is perpendicular to both $d$ and $d'$. How many solutions are there?
(1) No solution (2) Always one solution (3) More than one solution (4) One solution or no solution
\textbf{132-} Two skew lines $d$ and $d'$ and a point $A$ on line $d$ are given. We want to draw a line through point $A$ that passes through both lines $d$ and $d'$ and is perpendicular to both $d$ and $d'$. How many solutions are there?

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(1) No solution \hfill (2) Always one solution \hfill (3) More than one solution \hfill (4) One solution or no solution

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