Question

integration of 3x^2+2x+1) dx = 11​

Answer 1

1. [ 3x^2/3+2x/2+x] / a1 =11

=x^2+x2+x /a2=11

=(a^2-1)+(a2-1)+(a-1)=11

=(a^2+a2+a)-3=11

=a^2+a2+a-14=0

=(a-2). (a2+3a+7)=0

=a-2=0 (or) a2+3a+7=0

answer is =a=2