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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)?

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)?

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1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
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