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The arithmetic mean of the roots of the equation 4cos3x –4cos2x –cos(π + x) –1 = 0 in the interval [0, 315] is equal toa)49πb)50πc)51πd)100πCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The arithmetic mean of the roots of the equation 4cos3x –4cos2x –cos(π + x) –1 = 0 in the interval [0, 315] is equal toa)49πb)50πc)51πd)100πCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The arithmetic mean of the roots of the equation 4cos3x –4cos2x –cos(π + x) –1 = 0 in the interval [0, 315] is equal toa)49πb)50πc)51πd)100πCorrect answer is option 'B'. Can you explain this answer?.

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