The points with position vectors 60 i...

The points with position vectors `60 i+3j ,40 i-8j ,a i-52 j` are collinear if a. `a=-40` b. `a=40` c. `a=20` d. none of these

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The points with position vectors 60hati+3hatj,40hati-8hatj, ahati-52hatj are collinear if (A) a=-40 (B) a=40 (C) a=20 (D) none of these

If the points with position vectors 60 hat i+2 hat j , 40 hat i-8 hat j and a hat i-52 hat j are collinear, find the value of adot

If the points with position vectors 10 hat i+3 hat j ,12 hat i-5 hat j and a hat i+11 hat j are collinear, find the value of adot

If points A(60 hat i+3 hat j),\ B(40 hat i-8 hat j)a n d\ C(a hat i-52 hat j) are collinear, then a is equal to a. 40 b. -40 c. 20 d. -20

Show that the points whose position vectors are as given below are collinear: 2 hat i+ hat j- hat k ,\ 3 hat i-2 hat j+ hat k\ a n d\ hat i+4 hat j-3 hat k 3 hat i-2 hat j+4 hat k ,\ hat i+ hat j+ hat k\ a n d-\ hat i+4 hat j-2 hat k

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.

The cross product of the vectors (2i - 3j + 4k) and (I + 4j -5k) is

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.

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