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seen Feb 25 '13 at 21:42

Jan
24
comment What is the integral $\int\limits_1^3\frac{e^{\frac{1}{x}}}{x^{2}}dx$?
I should have followed through with the substitution. It was simpler than I thought.
Jan
21
awarded  Supporter
Jan
21
comment What is the integral $\int\limits_1^3\frac{e^{\frac{1}{x}}}{x^{2}}dx$?
Then maybe a little integration by parts.
Jan
14
answered How do I simplify this fractional expression?
Jan
14
answered Distributive Multiplication to factor common Polynomials?
Jan
10
revised $(\tan^2(18^\circ))(\tan^2(54^\circ))$ is a rational number
edited body
Jan
10
answered $(\tan^2(18^\circ))(\tan^2(54^\circ))$ is a rational number
Jan
9
revised Poles and Zeros of Linear Systems
added 1 characters in body
Jan
4
comment Solving linear homogenuous recurrence relation
Each sequence is a solution to the recursion relation by itself; however by selecting one sequence you are forcing one of the coefficients (c1,c2) to 0 which eliminates a whole class of possible particular solutions. The general solution must include all possible particular solutions. Since this is a linear relationship, the general solution is the sum of all linearly independent sequences that satisfy the relation. You will find that the order of the recursion relationship determines how many linearly independent sequences make up a the solution set.
Jan
4
answered Solving linear homogenuous recurrence relation
Dec
31
awarded  Teacher
Dec
31
awarded  Editor
Dec
31
revised Poles and Zeros of Linear Systems
added 1418 characters in body
Dec
31
answered Poles and Zeros of Linear Systems