values of x for which the rate of change is of x4/4 - x2/2 - x is less than x2

Dear student,

Here use differention of this function and find a condition for which the derivative is less than x^2

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

4x³/4 - 2x/2 - 1 < 0

x³ - x < 0

3x² - 1 < 0

6x < 0

6 (1) < 0