basic integration

[violet plinth]

when i integrate and add 1 to the power

i divide the coeffecient by the new power, not x. is it right that way

the mark scheme is dividing x

example

[violet plinth]

help

[torn cipher]

$\int x^{n} dx = \frac{x^{n+1}}{n+1} + C$ where $n \neq -1$