Show that the four points with position vectors

Question:

Show that the four points with position vectors $(4 \hat{\mathrm{i}}+8 \hat{\mathrm{j}}+12 \hat{\mathrm{k}}),(2 \hat{\mathrm{i}}+4 \hat{\mathrm{j}}+6 \hat{\mathrm{k}})$ $(3 \hat{j}+5 \hat{j}+4 \hat{k})$ and $(5 \hat{\mathrm{i}}+8 \hat{\mathrm{j}}+5 \hat{\mathrm{k}})$ are coplanar.

Solution:

 

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now