Q1 of 26 Page 1

Write the value of

We have,

Applying C1→ C1 + C2 + C3, we get




Now, expanding along the first column, we get


= 0 + 0 + 0


= 0


More from this chapter

All 26 →
2

If and find

3

Write the number of all possible matrices of order with each entry 1 or 2.

 4

Write the coordinates of the point which is the reflection of the point ( alpha , beta , gamma ) in the XZ-plane.

 5

Find the position vector of the point which divides the join of points with position vectors and internally in the ratio 1 : 3.