MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

⇐ BackProceed to Checkout ⇒
There are no items in this cart.
Continue Shopping
Menu
Grade: 11 
        
Find dot product of 2 vectors=
A=i +2j+3k,B=2i+6j+3k?
Hurry up answer my question friends
 
11 months ago

Answers : (1)

Eshan
askIITians Faculty
2078 Points 
							Dear student,

\vec{A}.\vec{B}=(a_x\hat{i}+a_y\hat{j}+a_z\hat{k}).(b_x\hat{i}+b_y\hat{j}+b_z\hat{k})

=a_xb_x+a_yb_y+a_zb_z

Hence in the given question,\vec{A}.\vec{B}=(1)(2)+(2)(6)+(3)(3)=23
11 months ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Other Related Questions on Vectors

Question is 17th one in the image........,.................................... Answer & Earn Cool Goodies
ABCD is a trapezium in which AB and CD are parallel. prove by vector methods that the midpoint of... Answer & Earn Cool Goodies
If ​magnitude of (vector A+vector B)=|vector A|=|vector B|,find angle between A and B
If a and b are two non-zero vectors .The value of (a+b) 2 is
how to resolve components of vectors ? and please help me cope up with vmc as i have not done any...
View all Questions »


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 19 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers To Win!!! Click Here for details