Questions
If the quadratic equations, have a common root then
detailed solution
Correct option is A
Equations x2+bx+c=0 and bx2+cx+1=0 have a common root.(bc−1)2=c−b2b−c2⇒b2c2+1−2bc=bc−b3−c3+b2c2⇒1+c3+b3=3bc⇒(1+c+b)c2+b2+1−b−c−bc=0⇒b+c+1=0 and c2+b2+1=c+b+bcSimilar Questions
If the equation and have a common root, then
Get your all doubts cleared from
Sri Chaitanya experts
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests