FM - Core Pure 1 - 5) Volumes of revolution

Question 1

Formulas for the volume of revolution around the x-axis and y-axis

Answer 1

• x-axis → π∫^b_a(y²)·dx
• y-axis → π∫^b_a(x²)·dy

Question 2

Formulas for the volumes of a cylinder and a cone

Answer 2

• Cylinder → πr²h
• Cone → 1/3πr²h