wat the areb bounded by the curve y=3x^2-2x+1, the ordinates x=1 and x=3

2 answers

Definite integral 1 to 3 ( 3 x ^ 2 - 2 x + 1 ) dx =

( x ^ 3 - x ^ 2 + x ) from 1 to 3 =

( 3 ^ 3 - 3 ^ 2 + 3 ) - ( 1 ^ 3 - 1 ^ 2 + 1 ) =

27 - 9 + 3 - ( 1 - 1 + 1 ) =

21 - 1 = 20
THANKS BOSNIAN