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The equation of the plane in which the lines  and  lie, is

a)

b)

c)

d)



Question ID - 55671 | SaraNextGen Top Answer

The equation of the plane in which the lines  and  lie, is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The equation of plane, in which the line  lies is

   …(i)

Where  and  are the direction ratios of the plane. Since, the first line lie on the plane

Direction ratios of normal to the plane is perpendicular to the direction ratios of line

     ….(ii)

Since, line  lies in this plane. The direction ratios is also perpendicular to this line

    …(iii)

From Eqs. (ii) and (iii), we get

 The required equation of plane is

127 votes


127