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:
        
if r=l(bxc)+m(cxa)+n(axb) and [abc] = 2 then l+m+n is equal to
 
r,a,b,c are vectors
 
And ans is 1/2r(a+b+c)
12 days ago

Answers : (1)

Arun
16262 Points
							
Dear student
 
Dot product by a
 
r.a = 2l
 
Hence l = r.a /2
 
Similarly m = r.b/2
n = r.c /2
 
Hence
 
l+m+n = 1/2 (a+b+c) .r
12 days ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Get Extra Rs. 1,590 off

COUPON CODE: SELF10


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

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


Get Extra Rs. 233 off

COUPON CODE: SELF10

Ask Experts

Have any Question? Ask Experts

Post Question

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