Recent content by sozener1

for this question i got up to obtaining [1 0 1 a-c; 0 1 1 c; 0 0 0 b-a+c] matrix im supposed to find a b and c so that the linear system has an infinitely many solutions I just can't work this out!

from the attachment a) when I put dw/dt = 0 I get something like e^(b/a) is this correct?

from the attached file I get something like the answer as y(x) = e^(e^2x(x/3*(sin(3x)+1/9cos(3x)+c) Im not sure if this is right can you have an answer exponetial of an exponential??

no I am not meant to open files in here

Im working on some programme and I've used getchar() putchar() to read sentences in a text file I open the file usin stdin < filename.txt format and here is my code #include <stdio.h> #include <string.h> int main(int argc, char *argv[]) { int i; printf(" ")...

query Just for assurance would you be able to get the derivative of order 8 with just e^(√3t+1)i ?? Cos the original function given was e^t*e^(√3t+1)i as it was uploaded as an image file

I asked to differentiate the given function using exponential function with sin(√3t + 1) I turned it into Im[e^(√3t+1)i] then I multiplied it by e^t which gave Im[e^t*e^(√3t +1)i] then I applied usual algebra to differentiate but I get a (t+√3ti +i) as the power of e when I try...

when differentiating e^(at) * (cos(bt) + isin(bt)) are you able to use product rule to find the derivative considering (cos(bt) + sin(bt)) as one function?? why?? and what does d/dt exactly mean?? (they get multiplied to a function that needs to be differentiated and I wanted to...

how do I find the derivative of tanh^-1(sinh(2x)) do I just find derivative of tanh^-1(x) this then substitute sinh(2x) into x??

is empty set part of every set?? you have a power set of s represented by p(s) and s is { x is integer and either x=<-2 or x>=5} and you have another set d = {{-3 -2 1}, {4}, {6, 7}, {-5, 6, 9}} when you are asked for intersection of p(s) and d in a plain maths question am I...

I get 0 0 0 it doesn't fit with the definition of eigenvectors so does that mean it should be 0 0 0 instead of 0 0 1?? I mean when you try to calculate for v3 = [ v1 v2 v3] since the last row of the matrix is 0 0 0 should v3 come out as 0?? couldn't v3 be any number??

Im supposed to find the eigenvectors and eigenvalues of A I found that eigenvalues are 2 12 and -6 then I found eigen vectors substituting -6 to lambda and someone has told me I get 0 0 1 for eigenvector which I cannot understand why?? can anyone pleasezzzzzzzz explain why this is?

how do i calculate potential differences around the loops is i3+i4 equal to i5?? this is actually from maths and i completely forgot how to do calculation around electrical circuits from physics could anyone please help me!

so if you want to accelerate the mass upwards from 0m/s to 2m/s in 3seconds the accelerations would be 2/3=0.667m/s2 and F=ma so 240 times 0.667 gives something like 160N Does this force would have to be an additional force applied to the cables?? so that the total force...

Homework Statement say you have a 240kg rectangular mass it is pulled upwards by two cables symetrically since force due to gravity is 240g so each cables would have to produce 120g each to lift the mass. but the resultant force sum to zero so if we were just given a FBD of the...