Question

int 2x dx from 2 to 3

Answer 1

\[\int\limits_{2}^{3} 2x dx\]

Answer 2

5

Answer 3

Thanks!

Answer 4

\[\int\limits_{2}^{3} 2x \cdot\text dx\]\[=2\int\limits_{2}^{3} x \cdot\text dx\]\[=2\left. \frac {x^2}{2} \right|_{2}^{3}\]\[=2 \frac {3^2-2^2}{2} \]