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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 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
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
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
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
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..
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Sagar Singh
B.Tech, IIT Delhi
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