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The equation a8X8+a7X7+a6X6+⋯+a0=0 has all its roots positive and real (where a8=1,a7=−4,a0=128), then which of the following is/are true?

Answer» The equation a8X8+a7X7+a6X6++a0=0 has all its roots positive and real (where a8=1,a7=4,a0=128), then which of the following is/are true?


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