Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Explain:
Asked by | 15 Jun, 2009, 12:26: AM
answered-by-expert Expert Answer

a X b = c X d  (1)

and a X c = b X d  (2)

(2)-(1) gives:

a X (c-b) = (b-c) X d

a X (c-b) - (b-c) X d =0

aX (c-b) -  dX(c-b) =0

(a-d)X (c-b) =0

|a-d||b-c| sinΩ=0

as a  d and b  c.,sinΩ=0

Hence, Ω=0.Hence (a - d )|| (b - c )

 

Answered by | 15 Jun, 2009, 03:20: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Maths
Example 17 Solve the following system of equations by matrix method. 3x-2y+3z =8 2x+y-z=1 4x-3y+2z = 4
Asked by mahammadsharifdakhani67 | 16 Apr, 2024, 07:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Please Answer this case study..!!.
question image
Asked by 20muskaansharma23 | 08 Apr, 2024, 11:31: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
question 13
question image
Asked by klmn445 | 03 Apr, 2024, 11:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
300000/1368
Asked by cherrycharishma512 | 01 Apr, 2024, 12:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
The probability that a pen manufactured by a company will be defective is 0.1. If 12 such pens are selected find the probability that i) exactly 2 will be detective ii) at least 2.will be defective iii)none will he defective
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
limit x tends to zero tanx-sinx/x^3
Asked by shirishakuruva477 | 28 Mar, 2024, 09:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
what is a hyperbola
Asked by sheensvlog | 27 Mar, 2024, 10:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
evaluate integration of log(sinx) dx
Asked by jprathamesh023 | 23 Mar, 2024, 04:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
construct of 2 × 3 matrix a=[aij] whose elements are aij=ij
Asked by antra1799 | 18 Mar, 2024, 07:49: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
bag 1 contains 8 red and 2 black balls. bag 2 contains 7 red and 5 Black balls. one of the bags is chosen at random and a ball is drawn from it, which is found to be black. find the probability that the ball is drawn from bag 1.
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×