Recent content by Gurvir

AHHH! Hahaha, I'm stressing to much! Thank you so much! Finally, finished Matrix Transformations. Well studying it :D

Homework Statement Homework Equations NoneThe Attempt at a Solution Well guys, this is a problem I've been having for the last 2 days and with my midterm tomorrow I have no time to fiddle around with it. So, I do not understand how (where it says b) how Im going to use a division symbol ( /...

OK! Thank you I understand. I seriously love this forum. University profs go to fast, it helps having like a online tutor! Thanks again!

So they are linearly independent if a = b = c = 0? I thought it was not suppose to equal zero like the determinant or whatever it is called det A. When A doesn't equal 0, it is not or is it linearly independent? Or does this have nothing to do with this?

Homework Statement Homework Equations None The Attempt at a Solution Well I am pretty sure you just put it into a matrix and solve in row echelon form. So I tried it. 1 -1 -1 0 2 1 7 0 1 2 9 0 r2 = r2 - 2r1 r3 = r3 - r1 1 -1 -1 0 0 3 9 0 0 3 10 0 r3 = r3 - r2 1...

OMG! Ingenious! Thanks guys. Your help is always great!

Oh, so (k+32) must equal 0 to make the solution impossible. Which means k = -32?

Homework Statement Determine the value of k for which the system x + y + 2z = 3 x + 2y -4z = -3 2 + 8 + kz = -29 has no solutions. Homework Equations None The Attempt at a Solution Converting to a matrix 1 1 2 3 1 2 -4 -3 2 8 k -29 r2=r2-r1 1 1 2 3 0 1 -6 0 2 8 k -29...

Sorry I was just brain dead yesterday. You just divide r2 by -4 and then it gives you h. Thanks for your help guys.

Oh! m = -20? Would this be the same idea? Determine the value of h such that the matrix is the augmented matrix of a consistent linear system. 5 -3 h -20 15 5 I can't solve for it, you can never make the first to variables in the matrix equal You can get: r2/-5 5 -3 h 4 -3 1...

My bad, i didn't mean r2/r1...it was r2-r1 and r3-r1 Anyways, back to my question: You make one row equal to the one with the variable to solve for it? Or is there some other way

So wait, you make one row equal to the one with the variable to solve for it? also, dividing is not one of the row operations but i believe multiplying is. where you can multiply 1/-4 which is the same as dividing

Homework Statement Given the augmented matrix for a system of equations below, find m such that the system will have infinitely many solutions. 3 3 -9 15 1 -1 3 -3 -4 -4 12 m m = ? Homework Equations NoneThe Attempt at a Solution Well I tried to reduce the matrix to...

What? Now I'm confused again, how does that work? Please tell me asap, I don't have long until I have to have this lab complete. Why would it be NaCl? That doesn't make sense with anything. Cl wasn't even part of the experiment. It can't be created through thin air. C3H5O(COOH)3(aq) + 3...

I think I understand it more now! Let me see, C3H5O(COOH)3(aq) + 3 NaOH(aq) ==> C3H5O(COO)3(aq) + 3 H2O(l) + 3 Na(s) But there wasn't any solid from the reaction so I'm not sure where the Na(s) goes, does it just separate or get added onto one for the formula's?