Compute the definite integral of the curve x 2 − 3 x + 2

for x ranging from 2 to

8. Compute the same by approximating it by dividing the region into many

small trapeziums. Keep increasing the number of trapeziums to get to the

accuracy of 3 decimal places.

Please note you are

not supposed to integrate it manually and then compute

the same.

Side note: We have given a simple formula for computation however there

exist functions whose integral are not possible to compute with our usual

manual techniques e.g. ∫ s in(x 2 ) dx . In these cases, numerical techniques comes

in handy.