The following pue chart shows the data of the number of appeared and passed students of class 12 in sections A,B,C,D,E
What is the percentage of students who appeared for the exam in section E (correct to one decimal place)?
If \(x - \frac{1}{x} = 6\) , and x > 0, find the value of \(\left( x^2 - \frac{1}{x^2} \right)\)