Question

What is the area bounded by the x axis and the curve y=3x^2 and the ordinate of x=2 and x=4​

Answer 1

56 units

Explanation:

`\int\limits^4_2 {3x^2} \, dx\\ =(3)/(2+1)x^(2+1) |\limits^4_2 \\=x^3 |\limits^4_2\\=4^3-2^3\\=64-8\\=56`