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Vijay Singh chauhan Asked a Question
March 25, 2022 8:52 pmpts 30 pts
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  • Navdeep goyal 1 Best Answer
    f(x)=3x⁵+9x+7 Number of change of sign is zero so postive real root zero f(-x)=-3x⁵-9x+7 Number of change of sign is 1 so nagative real root one
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