Q14 A of 44 Page 1057

Verify that , when

, and


To verify


We need to prove L.H.S = R.H.S


L.H.S we have,


Given,




Here,


We


have


⇒


Thus, substituting the values of ,


in equation (i) we get


⇒


⇒


RHS is



⇒


Thus, LHS = RHS.


More from this chapter

All 44 →
12

Prove that , where θ is the angle between and .

 13

Write the value of p for which and are parallel vectors.

 14 B

Verify that , when

, and .


 15 A

Find the area of the parallelogram whose adjacent sides are represented by the vectors:

and