mwgc
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 1
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 4
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 2
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 Questions Asked
 48
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 108
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Questions Asked

mwgc:
Group Title
solve system of linear congruences
x congruent to 5 (mod 9) and 10x congruent to 6 (mod 28)
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
For some real a and positive integer n, the coefficient of x^2
in the expansion of
(ax + 1)^n is 30, and the coefficient of x^3…
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
a,b,c are complex numbers:
prove: if a=b=c=1 then (conjugate of)(a+b+c)=
1/a+1/b+1/c
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

mwgc:
Group Title
help with complex #s
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

mwgc:
Group Title
does (sqrt3)*i=(sqrt3)?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

mwgc:
Group Title
A particle is moving along the ellipse 16x^2+9y=144.
Find all points
(x, y) on the ellipse at which the rates of change of x and y with resp…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

mwgc:
Group Title
Find the equation of the tangent line to the curve
y^3 + yx^2 + x^2  3y^2 = 0 at the point (0,3) Find the equation of the tangent line t…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

mwgc:
Group Title
Find the equation of the tangent line to the curve
y^3 + yx^2 + x^2  3y^2 = 0 at the point (0,3) @Mathematics
 updated 2 years ago
 55 replies
 1 Medal
Mathematics

mwgc:
Group Title
Find the equation of the tangent line to the curve
y^3 + yx^2 + x^2  3y^2 = 0 at the point (0,3) @Calculus1
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

mwgc:
Group Title
linear congruence: complete soln:
4x(is equivalent to) 5(mod 21) @Mathematics
 updated 2 years ago
 28 replies
 1 Medal
Mathematics

mwgc:
Group Title
linear congruence: complete soln:
4x(is equivalent to) 5(mod 21) linear congruence: complete soln:
4x(is equivalent to) 5(mod 21) @Mathemati…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

mwgc:
Group Title
linear congruence: complete soln:
4x(is equivalent to) 5(mod 21) linear congruence: complete soln:
4x(is equivalent to) 5(mod 21) @Mathemati…
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

mwgc:
Group Title
Let f(x) =cos x/e^x= e^x*cos x
Prove that f has a horizontal asymptote as x > +infinity, and ﬁnd that
asymptote.
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

mwgc:
Group Title
Let f(x) =cos x/e^x= e^x*cos x
Prove that f has a horizontal asymptote as x > +infinity, and ﬁnd that
asymptote.
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
Find the tangent line for y = x^3
at 0. Does the tangent line cross the
curve y = x^3…
 updated 2 years ago
 14 replies
 1 Medal
Mathematics

mwgc:
Group Title
Prove that the function y =(x^4  x^3 + x^2  x 2)/(x^2 + x + 1)
crosses the xaxis somewhere between 1 and 1
 updated 2 years ago
 51 replies
 2 Medals
Mathematics

mwgc:
Group Title
Evaluate lim x / (2x  1  2x + 1)
x>0
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
Evaluate lim x / (2x  1  2x + 1)
x>0
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
Evaluate lim x / (2x  1  2x + 1)
x>0
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
Evaluate lim x / (2x  1  2x + 1)
x>0…
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
Let f(x) = x^3 + 2x + 6. In order to prove that f(x) >10 as x > 2,
complete the following steps.
(a) Show that f(x)  10 = (x  2)(x^2 +…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

mwgc:
Group Title
Let f(x) = x^3 + 2x + 6. In order to prove that f(x) >10 as x > 2,
complete the following steps.
(a) Show that f(x)  10 = (x  2)(x^2 +…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

mwgc:
Group Title
If a30, then a60
Demonstrate why this proof is wrong or give a counterexample:
Let a be a divisor of 60. Since a can only contain prime …
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

mwgc:
Group Title
if gcd(a,b)=1, then gcd (2a+b,a+2b) is 1 or 3 :
prove
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
if gcd(a,b)=1, then gcd (2a+b,a+2b) is 1 or 3 :
prove
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
can somebody prove this
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

mwgc:
Group Title
for all a,b,c are integers, there exists an integer solution to ax^2 +by^2=c, whenever gcd(a,b)c
 updated 2 years ago
 55 replies
 3 Medals
Mathematics

mwgc:
Group Title
algebra 1 question
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

mwgc:
Group Title
for all a,b,c are integers, there exists an integer solution to ax^2 +by^2=c, whenever gcd(a,b)c
 updated 2 years ago
 No Medals Yet
Mathematics

mwgc:
Group Title
If gcd(x,y) = d, express gcd (18x + 3y, 3x) in terms of d. Justify your answer.
 updated 2 years ago
 3 replies
 2 Medals
Mathematics
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