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Algebra

if every solution of the equation 3 cosx^2-cosx-1=0 is a solution of the equation a cos^2 2x+ bcos2x-1.then the value of (a+b)?

Profile image of rupali  athaloe
14 Years agoGrade
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1 Answer

Profile image of Saurabh Koranglekar
6 Years ago
Dear student

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