Question

∫ab 3xdx evaluate using the method of summation.

Answer 1

\[\int_b^a 3xdx\]
is this the question?

Answer 2

yes

Answer 3

wait its b,a

Answer 4

int 3x dx = 3/2 x^2 +C
evaluate in terms of a-b

3/2 a^2 - 3/2 b^2