Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Updated On: 2-7-2020

Apne doubts clear karein ab Whatsapp par bhi. Try it now.

CLICK HERE

Loading DoubtNut Solution for you

Watch 1000+ concepts & tricky questions explained!

29.1 K+

7.8 K+

**Coordinates of point in space; sign of coordinates of a point**

**Distance formula in 3D**

**Section formula (internal + external)**

**The x coordinates of a point on the line joining the points Q(2; 2; 1) and R(5; 1; -2) is 4. Find its z coordinate.**

**Direction cosine and ratio of line**

**Direction Ratio of line along the bisector of two given lines**

**Find the distance of the point P(a; b; c) from the x axis**

**Angle Between Two vectors in terms of direction cosine and direction ratio**

**Condition of parallel and perpendicular lines**

**Find the angle between the lines whose direction cosines are given by the equations `3l + m + 5n = 0` and `6mn - 2nl + 5lm = 0`**