The integral of x with respect to x is:
∫xdx=2x2+C
Let’s look at a few more integrals involving x:
- Power Rule: The general rule for integrating xn (where n≠) is:
∫xn dx=xn+1n+1+CFor example, the integral of x3x^3 would be:
∫x3 dx=x44+C
- Sum Rule: You can also integrate sums term by term:
∫(x2+x) dx=∫x2 dx+∫x dx=x33+x22+C
- Example with Constants: If you have a constant multiplied by a function, like 5x5x, you can pull the constant out of the integral:
∫5x dx=5∫x dx=5(x22)+C=5×22+C
- Definite Integrals: If you’re working with limits, say from aa to bb, you would calculate the definite integral like this:
∫abx dx=[x22] ab=b22−a22
Let me know if you’d like to dive into a specific type of integral!