Home
Class 12
MATHS
Show that the points A(-2 hat i+3 hat j+...

Show that the points `A(-2 hat i+3 hat j+5 hat k), B( hat i+2 hat j+3 hat k)`and `C(7 hat i- hat k)`are collinear.

Text Solution

AI Generated Solution

To show that the points \( A(-2 \hat{i} + 3 \hat{j} + 5 \hat{k}), B(\hat{i} + 2 \hat{j} + 3 \hat{k}), C(7 \hat{i} - \hat{k}) \) are collinear, we will find the vectors \( \overrightarrow{AB} \) and \( \overrightarrow{BC} \) and check if one is a scalar multiple of the other. ### Step 1: Find the vector \( \overrightarrow{AB} \) The vector \( \overrightarrow{AB} \) is given by the formula: \[ \overrightarrow{AB} = \overrightarrow{B} - \overrightarrow{A} \] ...
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    NCERT ENGLISH|Exercise Exercise 10.4|10 Videos
  • VECTOR ALGEBRA

    NCERT ENGLISH|Exercise EXERCISE 10.2|19 Videos
  • THREE DIMENSIONAL GEOMETRY

    NCERT ENGLISH|Exercise EXERCISE 11.3|14 Videos

Similar Questions

Explore conceptually related problems

Show that the points A(2 hat i- hat j+ hat k), B( hat i-3 hat j-5 hat k), C(3 hat i-4 hat j-4 hat k) are the vertices of a right angled triangle.

Show that the points A(2 hat i- hat j+ hat k), B( hat i-3 hat j-5 hat k), C(3 hat i-4 hat j-4 hat k) are the vertices of a right angled triangle.

Show that the points whose position vectors are 5 hat i+5 hat k ,\ 2 hat i+ hat j+3 hat k\ a n d-4 hat i+3 hat j- hat k are collinear.

Prove that point hat i +2 hat j - 3 hat k ,2 hat i - hat j + hat k and 2 hat i + 5 hat j - hat k from a triangle in space.

Show that the vectors 2 hat i-3 hat j+4 hat k and -4 hat i+6 hat j-8 hat k are collinear.

Show that the vectors 2 hat i-3 hat j+4 hat k\ a n d-4 hat i+6 hat j-8 hat k are collinear.

Prove that the points having position vectors hat i+2 hat j+3 hat k ,\ 3 hat i+4 hat j+7 hat k ,\ -3 hat i-2 hat j-5 hat k are collinear.

Show that the points A, B, C with position vectors 2 hat i- hat j+ hat k ,\ hat i-3 hat j-5 hat k and 3 hat i-4 hat j-4 hat k respectively, are the vertices of a right angled triangle. Also, find the remaining angles of the triangle.

If points hat i+ hat j , hat i- hat j and p hat i+q hat j+r hat k are collinear, then

Prove that the points hat i- hat j ,4 hat i-3 hat j+ hat k and 2 hat i-4 hat j+5 hat k are the vertices of a right angled triangle.