Question

determine a integral definida abaixo:

36d107df133ec01f87f7ba8db00b0000.pdf

Answer 1

Integral:

$\int\limits^{64}_{49} {x}^{-\frac{1}{2}} \, dx =\\ \\ = \left.\ 2.x^{\frac{1}{2}}\right |_{49}^{64} \\ \\ =2. \sqrt{64}-2. \sqrt{49} \\ \\ =2.(8)-2.(7) \\ \\ =16-14 \\ \\ =2$