Recent content by fsm

Thanks for your help. I incorrectly labeled those values. Actually on my paper have those values correct. What you did make me do was double check my work and I did 9 instead of -9. The answer checks.

Homework Statement Find the basis of the solution space of the homogeneous system of linear equations. x-2y+3z=0 -3x+6y-9z=0 Homework Equations Ax=0 The Attempt at a Solution I first set up my equation \left[ \begin{array}{cccc} 1 & 2 & -3 \\ -3 & 6 & 9 \end{array}...

C++ program--help printing columns and rows Homework Statement Print the approx of e^x from 1 to 100. It might not fit on screen so for example print out in 10 columns and 10 rows.Homework Equations int row =1; while (row < 20) { int column = 1...

Thanks!

Homework Statement Covert the following numbers to 12-bit binary numbers using two's complement representation. 234 -234 Homework Equations None I know of. The Attempt at a Solution I think I'm making this more complicated than it really is. For 234 I can just convert right to...

Thanks everyone for the help. I thought that originally but second guessed myself. And I got the answer.

anyone?

Thanks!

Homework Statement \sum\frac{(-1)^{x}}{x*\sqrt{x}} How many terms must be added to get an esimate with an |error|<0.001? Homework Equations s_n+ \int f(x)dx \leq s \leq s_n+ \int f(x)dx The Attempt at a Solution I having some problems trying to attempt this. To use this the function...

Homework Statement f(x)=\frac{(-1)^{x}}{x*\sqrt{x}} Homework Equations n/a The Attempt at a Solution I'm trying to plot this in maple and my calculator but no dice. What am I doing wrong?

Yes I can. I'll try that.

Homework Statement 1. Derive the truth table for the circuit. 2. Derive the Boolean function directly from the circuit. I can't the function to agree with the truth table. I don't know what I'm doing wrong. I somewhat positive my truth table is right, but I think my function statement is...

Homework Statement \sum (1+2^n)/3^n Find its sum Homework Equations The Attempt at a Solution I don't know how to figure this one out. I took the limit and it was zero so I know it converges. I don't know where to start on this one. The answer is 5/2.

Homework Statement This is the circuit I'm working on: Homework Equations My equations are: 4.64v=-200I1-800I3 4.64v=750I3+800I2 4.64v=-200I1-750I3The Attempt at a Solution I should have a third unknown in each equation. I not seeing where I'm going wrong. I'm supposed to put this in a 3X3...

Sorry about the confusion. I forgot the s in days. I started a new thread on this because through my own fault made the problem too confusing. I guess I did it again . What I did wrong was I should have divided the constant of a mole by the electron current. This gives moles per second...