Question

Integrals~

Answer 1

http://prntscr.com/3cal9x

Answer 2

\[ \lim_{n\to \infty} \sum_{i=1}^n f(x_i) \Delta x = \int_a^b f(x) dx\]

Answer 3

Can someone help me on my question plz? Sorry If im intruding

Answer 4

\[ \lim_{n\to \infty} \sum_{i=1}^nx_i \ln(2+x_i^2)\Delta x = \int_0^5 x\ln(2+x^2) dx\]

Answer 5

just stick to the definition

Answer 6

thank you :)

Answer 7

yw :D