Question

what is the intergration of 1.

Answer 1

\(\int dx = x+C\)

Answer 2

why i dont understand

Answer 3

integration is the anti-deriviative. If you take the derivative of "x", hence \(\large \frac{d}{dx}(x) = 1\)
going backwards (anti-derivative) or integrate, \(\int 1 dx = x\)

Answer 4

thanks you so much sir