Removing old redundant files.
Objective Questions
-------------------
.. A mininum of 8 questions here (along with answers)
1. How do you define a name 'y' as a symbol?
Answer: var('y')
2. List out some constants pre-defined in sage?
Answer: pi, e ,euler_gamma
3. List the functions for differentiation and integration in sage?
Answer: diff and integral
4. Get the value of pi upto precision 5 digits using sage?
Answer: n(pi,5)
5. Find third order differential of function.
f(x)=sin(x^2)+exp(x^3)
Answer: diff(f(x),x,3)
6. What is the function to find factors of an expression?
Answer: factor
7. What is syntax for simplifying a function f?
Answer f.simplify_full()
8. Find the solution for x between pi/2 to pi for the given equation?
sin(x)==cos(x^3)+exp(x^4)
find_root(sin(x)==cos(x^3)+exp(x^4),pi/2,pi)
9. Create a simple two dimensional matrix with two symbolic variables?
var('a,b')
A=matrix([[a,1],[2,b]])
Larger Questions
----------------
.. A minimum of 2 questions here (along with answers)
2. Question 2