# Integral Calculus

posted by
**mimie** on
.

Solve using Integration by Substitution :

∫√x2-a2/x dx

∫√c2-a dx

∫ ln (√y + 3) dy

∫(5y+4) dy/√5y-1

posted by
**mimie** on
.

Solve using Integration by Substitution :

∫√x2-a2/x dx

∫√c2-a dx

∫ ln (√y + 3) dy

∫(5y+4) dy/√5y-1