• Call Us : 03082533000 (WhatsApp)
  • Email Us : TestPointpk.com@gmail.com
Testpoint Whatsapp group Testpoint Whatsapp group
Sticky Note
The projection of a vector a= I+ j+ k, on another vector b=3kj+ 3k is:
  1. √2
  2. √3
  3. √4
  4. none of these
Explanation

Solution

The required projection (assuming it is orthogonal),

= (i + j + k)⋅(3j + 3k)/√(9 + 9)

= 6/3√2 = √2 [Ans]

Related MCQs

Solve: 2^(x+3) = 32?
  1. 2
  2. 3
  3. 1
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
i^100 = ____?
  1. 1
  2. -i
  3. i
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Moduli of (3 + 4i) is?
  1. 5
  2. 6
  3. 7
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Addition of 5y + 4 and 3x + 3y + 1 is?
  1. 8y + 5
  2. 3x + 8y + 3
  3. 3x + 8y + 5
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
If 2^x = 32, then the value of x is?
  1. 4
  2. 5
  3. 6
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Test Point Whatsapp Channel

All Rights Reserved © TestPointpk.com