Q5 of 51 Page 26

Find the value of λ so that the following vectors are coplanar.

Formula : -





Given: -



we know that vector are coplanar if their scalar triple product is zero



we have



now, using



⇒ 0 = 2(10 + 3λ) + 1(5 + 3λ) + 1(λ – 2λ)


⇒ 0 = 8 λ + 25



More from this chapter

All 51 →
4

Show that each of the following triads of vectors is coplanar :

 5

Find the value of λ so that the following vectors are coplanar.

 5

Find the value of λ so that the following vectors are coplanar.

 5

Find the value of λ so that the following vectors are coplanar.