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

অপশনসমূহ
সঠিক উত্তর চিহ্নিত
ক 2.4π
খ 24π
গ 12π
ঘ 1.2π
ব্যাখ্যা ও সমাধান
Volume V = π ∫(0 to 2) (3x)^2 dx = 9π [x^3 / 3](0 to 2) = 3π × 8 = 24π।