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29. The Plane
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Q16 of 230 Page 30

Find the values of λ for which the lines and are coplanar.

We know that the lines are coplanar if


Here,









Let


(


Put value of t



is neglected because direction cosine can not be imaginary


λ =


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Show that the lines and are coplanar. Hence, find the equation of the plane containing these lines.

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If the line lies in the plane lx + my – z = 9, then find the value of l2 + m2?

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Questions · 230
29. The Plane
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