Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

if p,q,r denote vectore b x c, c x a,a x b respectively then show that

Asked by 20th February 2009, 5:32 PM
Answered by Expert
Answer:

A x (B xC ) = B (A.C) - C(A.B)

q x r = (c x a) x (a x b)

= a( (c x a) .b ) - b ( (c x a) .a )   (c x a will be perpendicular to a so (c x a) .a = 0)

=a( (c x a) .b )

now a x (q x r ) = a x a ( (c x a) .b ) = 0 since a x a = 0

similarly we can prove for others.

Answered by Expert 20th February 2009, 10:07 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Your answer has been posted successfully!

Chat with us on WhatsApp