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can anyone help me find the particular solution for the following differential equation???
dy/dx=sin(2x)-ycos(x)
with y=1 and x=0
ive got it this far but now am struggling to complete row echelon form is this correct so far anyone??
1 4/(a-9) 1/(a-9)
0 a^2-12a+11 a^2-12a+23
0 12a-204 a^2-15a+30
please help!!!
hey can anyone tell me what a rank of a matrix is for example i have the following matrix
1 0 3 1 2
1 4 2 1 5
3 4 8 1 2
which iv put in row echelon form
1 4 2 1 5
0 -4 1 0 -3
0 0 0 -2 -7
does anyone know how to find the rank??
i have this system of equations where the augmented matrix is
(a-9) 4 1 0
-20 (a+9) 3 0
24 -12 (a-6) 0
can anyone help me put this in reduced echelon form??
i dont know what to do to the matrix to get a 1 in the leading row! please help!!!
is this now in reduced echelon form???
1 1 1 1
0 a (a^2-3) -2
0 0 2 (b-a+2)
can anyone help me with this question
describe all functions f(x)=ax^2+bx+c
such that f(1)=2 and f(-1)=6
i dont really know what this question is asking for please help!!!!
X+Y+Z=1
(a+1)X+Y+(a^2+a)Z=1
(a-2)X+(a-2)Y-aZ=b
can anyone find solutions of this system of linear equations
for which values of a,b the system has
1) a unique solution
2)no solutions
3)infinitely many solutions
any help with this will be much appreciated!!!
hey can anyone help me divide
x^3 by x^2+4x+5
iv got to
i(3x+Pi/2)-log8=0
i got that far do you know how to find x when
3ix=log8-Pi/2i??
hey i was just wondering what happens when you take logs of both sides of equations like the following
e^(3ix)=8e^(-PI/2i)
what happens to the 8??? please help asap xxxxxxx
hey can anyone please help me express 8i in polar form???
help will be very much appreciated
hey can anyone ive me an example of a surjective function when
Z*N->Q???
will be much appreciated if you could share your ideas thanks in advance xxx
hey does anyone know how i can solve these exponentials
2cosh^2(x)=1+cosh(2x)
2sinhxcoshx=sinh(2x)
please help!!!
does anyone know how to calculate the volume of an ellipse when it is revolved completely around the x-axis??
for example x^2+9y^2=9
does anyone know the formula???
hey does anyone know how to find the length of a curve joining to given points
for example
find the length of a curve y=4/3x^(3/2) joining the points (0,0) and (1,4/3)
does anyone know how to do this using intergration???
please help will be very much appreciated xxx