bionomial theorem

Question

[abx+a^2y+1]^2009 is a polynomial in x and y if the sum of the coefficients vanishes for some real value of a .Then possible values of b are

jitender lakhanpal · Accepted Answer

Dear Utkarsha,[abx+a^2y+1]^2009sum of coefficient of the binomial expansion we get by putting x = y = 1we get[ab+a^2+1]^2009 this value vanishes only whenab+a^2+1 = 0now for real values of a put discriminant as greater than equal to 0we will get the range of b and the corresponding value of a will be the required valuesWe are all IITians and here to help you in your IIT JEE preparation.Now you can winby 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 : Click here to download the toolbar..jitender

Algebra> bionomial theorem...

[abx+a^2y+1]^2009 is a polynomial in x and y if the sum of the coefficients vanishes for some real value of a .Then possible values of b are

utkarsha sonje , 12 Years ago

jitender lakhanpal

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Algebra> bionomial theorem...

[abx+a^2y+1]^2009 is a polynomial in x and y if the sum of the coefficients vanishes for some real value of a .Then possible values of b are

utkarsha sonje , 12 Years ago

jitender lakhanpal

Provide a better Answer & Earn Cool Goodies

LIVE ONLINE CLASSES

Ask a Doubt

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