Question

1.

1
a). ∫ (3x-x+1)dx
-1

1
б). ∫√11+5x dx
-2,2

Answer 1

1
x²+x|1-(-1)=1+1-1+1=2
2
2/15*√(11+5x)³|2-(-2)=2/15*(21√21-1)