badge image

Enroll For Free Now & Improve Your Performance.

×
User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 11

                        

The vector joing the points A(1,1,-1) and B(2,-3,4) and pointing from A to B- (a) -i+4j-5k (b) i+4j+5k (c) i-4j+5k

8 years ago

Answers : (1)

rupali sehgal
19 Points
							

clearly, OA= i+j-k

OB= 2i-3j+4k

by triangle law,

OA+AB=OB

AB=OB-OA

AB= 2i-3j+4k -(i+j-k)= (2i-i) + (-3j-j) + (4k+k)= i-4j+5k

Therefoe, correct option is (C)

8 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


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