Obtain DINI'S FOUR DERIVATIVE of f(x)= ax.sin^21/x + bx.cos^21/x and f(x)= px.sin^21/x + qx.cos^21/x

Define DINI'S FOUR DERIVATIVE.
•Upper Right Derivative.
•Lower Right Derivative.
•Upper left derivative.
•Lower left derivative.

Measure Theory dini's four derivative.
We define four quantities called as Dini's Derivatives, which may be defined even at the points where the function is not Differentiable

DINI'S FOUR DERIVATIVE IN MEASURE THEORY
MATHS ANALYSIS MSC MATHS
Important for all Universities Exams.

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