CBSE Class 11-science Answered
vectors
Asked by sahare | 10 Feb, 2010, 06:01: PM
Dear Student
a=4i+j+3k , b=i+3j+2k and c=2i+7k
ab= sqrt [ (4-1)^2+(1-3)^2+(3-2)^2]= sqrt 14
bc=sqrt [ (1-2)^2+(3-0)^2+(2-7)^2]=sqrt 35
ac=sqrt [ (4-2)^2+(1-0)^2+(3-7)^2] =sqrt 21
here bc^2=35
ab^2 =14
ac^2=21
bc^2= ab^2 +ac^2
this is the Pythogous theorem for right angle triangle
So abc is a right angle triangle
Regards
Team Topperlearningf
Answered by | 12 Feb, 2010, 02:00: PM
CBSE 11-science - Maths
Asked by ashwinikumar59 | 02 May, 2010, 08:08: AM
CBSE 11-science - Maths
Asked by Sonal13 | 01 May, 2010, 12:42: PM
CBSE 11-science - Maths
Asked by Sonal13 | 01 May, 2010, 12:40: PM
CBSE 11-science - Maths
Asked by ashwinikumar59 | 30 Apr, 2010, 03:21: PM
CBSE 11-science - Maths
Asked by ashwinikumar59 | 29 Apr, 2010, 07:48: PM
CBSE 11-science - Maths
Asked by Vishnusasidharan | 05 Apr, 2010, 08:12: PM
CBSE 11-science - Maths
Asked by satyakitopper | 21 Mar, 2010, 11:57: PM
CBSE 11-science - Maths
Asked by devendra.mittal | 05 Jan, 2010, 10:08: PM
CBSE 11-science - Maths
Asked by devendra.mittal | 05 Jan, 2010, 10:01: PM