Розмір відео: 1280 X 720853 X 480640 X 360
Показувати елементи керування програвачем
Автоматичне відтворення
Автоповтор
How u got the ans directly like that 😮😮
Where did the 2 come from?
You might be thinking of the formula 1/a arctan (x/a) for integral of 1/(x^2+a^2)dx. But we are considering a different form of the integrand. You may check the need of factor 2 by differentiation.
How u got the ans directly like that 😮😮
Where did the 2 come from?
You might be thinking of the formula 1/a arctan (x/a) for integral of 1/(x^2+a^2)dx. But we are considering a different form of the integrand. You may check the need of factor 2 by differentiation.