In each part, determine all values of ( p ) for which the integral is improper interval notation or none if there are no relevant values of ( p ). (a) ( ∫₁³ dx/xᵖ ) values that make integral impro:
a) ( p > 1 )
b) ( p < 1 )
c) ( p ≤ 1 )
d) ( p ≥ 1 )