Question

What is the purpose of the dx in the integral ∫2x dx?

Answer 1

`dx` denotes an infinitesimal displacement along
`x`

Explanation:

The integration refers to the antiderivative of a function. The inverse process of differentiation is the integration.

The integration is used to find the volume and area under the curve.

In ∫
`2x\,\,dx`

∫ denotes the sign of integral,

`dx` denotes an infinitesimal displacement along
`x`,

`2x` is the part to be integrated.