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The equation cos ^4 x - (a+2) cos ^2 x - (a+3)=0 possess a solution if -3

The equation cos ^4 x - (a+2) cos ^2 x - (a+3)=0 possess a solution if -3
 

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
6 years ago
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