0 0 votes Using single step trapezoidal rule, the value of \[ \int_{0}^{0.5}\left(1+16 x-20 x^{2}\right) d x \] is $\_\_\_\_$ (rounded off to two decimal places). Calculus gatech-2026 numerical-answers process-calculations-and-thermodynamics integration-by-trapezoidal-and-simpsons-rule + – gatecse 3.4k points answer Follow 0 reply