Flag Algebra> quadratic equations...
question mark

if ax^2+2bx+c=0 and a1x^2+b1x+c1=0 have a common root and a/a1, b/b1 and c/c1 are in AP. show that a1, b1 and c1 are GP

varsha rao , 14 Years ago
Grade 11
anser 1 Answers
SAGAR SINGH - IIT DELHI

Last Activity: 14 Years ago

Dear student,

Make use of AP:

Since a/a1,b/b1,c/c1 are in AP

Hence 2b/b1=a/a1+c/c1

Now make use of common root property

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.

Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar  respectively : Click here to download the toolbar..

 

Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments