Answer:
Step-by-step explanation:I think it's the 2nd one
Answer:
I believe it's going to be C) rectangle.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given the integral equation

According to integration by part;

u = x, dv = e^7x
du/dx = 1
du = dx

Substitute the given values into the formula;
