Homework Statement
Determine the reduced row echolon form of
| cos(x) sin(x) |
| -sin(x) cos(x) |
Homework Equations
you can interchange any two rows or columns, multiply a row or column by a nonzero number, add a multiple of one row or column to another
The Attempt at a...
Homework Statement
Maximize the function f(x,y) = x^2y constrained by the circle x^2 + y^2 = 12
The attempt at a solution
I already went as far as solving lambda in my work; however, it's still a variable so I could not plug it into solve for x and y...
Homework Statement
Choosing from the following resistors values (they may be used more than once), set i[SIZE="1"]s, R[SIZE="1"]1, R[SIZE="1"]2, to obtain V = 5.5 V
[1 kilo ohm, 3.3 kilo ohm, 4.7 kilo ohm, 10 kilo ohm]
The Attempt at a Solution
I wasn't actually sure how to attempt...
Homework Statement
Find the net resistance for the following diagrahm.
The Attempt at a Solution
This is as far as I went to simplifying the resistors and I am stuck at the last step, not sure how to combine it since it's neither parallel or in series or is it?
I posted my work thus...