Mathematics 2 Deneme Sınavı Sorusu #449163

Let

Calculate the lower sum of f for the partition

of the interval



Yanıt Açıklaması:

Using the points

let us divide the interval

into four subintervals

and

Since the function f is an increasing function, it takes its smallest values at the left end of each interval. The length of each subinterval is

and

therefore

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