Why study well if at the end you'll also going to fail too?
Here's an equation to prove that my statement is correct.
This is just an exaggerated self opinion and I don’t have intention to confuse the mind of students.
And so therefore, I don’t also oblige anyone or suggesting following this equation.
Seldom having of failing grade is normal but studying well and having a good grade is a big ace in striving for better future ahead...