engineering recuitment NMC JE Civil Mock Test 2024 Engineering Mathematics Calculus Definite Integrals
A parametric curve is defined \(x = cos\left(\frac{\Pi t}{2}\right) , Y= sin\left(\frac{\Pi t}{2}\right)\) in the range of \(0\leq t\leq 1\) . It is rotated about X-axis by 360°.
‘What is the area of the surface generated?
1
a
2
4π
3
π
4
2π