CBSE Class 11-science Answered
quadratic quetion
Asked by Kirandoon | 20 Dec, 2008, 07:58: PM
Expert Answer
B2 - 4AC = 4(ab+cd)2 - 4 (a2+c2 )(b2+d2)
=4 ( a2b2 +c2d2+2abcd - a2b2-a2d2-b2c2-c2d2)
=4 ( 2abcd -a2d2-b2c2)
= - 4 (ad-bc)2
which is always negative.
so roots of this equation will be imaginary.
Answered by | 20 Dec, 2008, 08:10: PM
CBSE 11-science - Maths
Asked by benganigaurav24 | 10 Jul, 2021, 10:05: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by sahabya | 29 May, 2010, 02:55: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by abhishek11 | 25 May, 2010, 07:11: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by prashant.jain | 24 May, 2010, 12:43: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by sidhusid | 18 May, 2010, 07:14: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by MANOJKUMAR | 15 May, 2010, 01:33: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by dandirao | 15 May, 2010, 12:19: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by varunsinghal2011 | 09 May, 2010, 03:45: PM
ANSWERED BY EXPERT