The region R is bounded by the curve with equation the x-axis and y = 3x lines x = 0 and x = 2. The volume of solid formed when the region R is rotated through 1 full revolution about x-axis.

1. 2.4π
2. 24π
3. 12π
4. 1.2π

Explanation: The region R is bounded by the curve with equation the x-axis and y = 3x lines x = 0 and x = 2 The volume of solid formed when the region R is rotated through 1 full revolution about x-axis is 24π