Correct answer: 5. 2 bcos3x 1 bcosx bcosx 2cos x 2 2          2 3 bcosx 2sin x 2   3 b 3 2   b 2 b 2, 1, 0, 1, 2.     

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AITS & Test SerieshardNUMERICAL

Question

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Answer: 5

💡 Solution & Explanation

2 bcos3x 1 bcosx bcosx 2cos x 2 2          2 3 bcosx 2sin x 2   3 b 3 2   b 2 b 2, 1, 0, 1, 2.     

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