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Questions Asked

Loser66:
Group Title
@ikram002p
 updated one month ago
 84 replies
 2 Medals
Mathematics

Loser66:
Group Title
"man's socalled self were identical with any of these 5 aggregates, or it were their rightful owner; or they were inherent within the Self,…
 updated one month ago
 6 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
PLEASE HELP!!! MY LAPTOP IS ABOUT TO SHUT OF AND I NEED TO FINISH THIS! P → P’(–4, –7) for the glide reflection where the translation is (x…
 updated one month ago
 9 replies
 1 Medal
Mathematics

Loser66:
Group Title
Check my stuff, please.
\[\int_1^3 2\pi x((x^24x+7)4(x2)^2)dx\]
 updated 2 months ago
 19 replies
 3 Medals
Mathematics

Loser66:
Group Title
Suppose that A\(\in L(C^3)\)is a selfadjoint operator. Suppose that Tr(A)=4
A(1,0,0) = (1,0,0)
(1,2,0) is an eigenvector of A…
 updated one month ago
 No Medals Yet
Mathematics

Loser66:
Group Title
Let V be a finite dimensional vector space and A \(\in L(V)\). Suppose \(N(A)=N(A^2)\)
a) Prove \(V=N(A)\oblus R(A)\)
b) Prove that \(\bar A…
 updated 2 months ago
 14 replies
 3 Medals
Mathematics

Loser66:
Group Title
I have a question, need help
Let A in L(P_2(R) be given by Ax(t) =x'(t) . Find all ei.value and ei.vector
 updated 2 months ago
 37 replies
 4 Medals
Mathematics

Loser66:
Group Title
Let t1,t2,....tn be n distinct real numbers. Prove that for any n real numbers a1,a2...,an there exists a unique polynomial x in Pn(R) such …
 updated 2 months ago
 1 reply
 1 Medal
Mathematics

Loser66:
Group Title
Suppose A\(\in L(V)\) such that rank (A)=1. Prove that there exists \(\vec u_0 \in V\) and y\(\in V'\) such that \(A\vec v=[\vec v, y]\vec u…
 updated 2 months ago
 11 replies
 5 Medals
Mathematics

Loser66:
Group Title
find nullity of A =\(\left [\begin{matrix}6&0&2\\0&6&0\\0&0&4\end{matrix}\right]\)
Please, help
 updated 2 months ago
 1 reply
 1 Medal
Mathematics

Loser66:
Group Title
let V be a finite dimensional vector space and \(A_0\in L(V)\) be given. What is the dimension of the following subspaces in terms of dim V,…
 updated 2 months ago
 No Medals Yet
Mathematics

Loser66:
Group Title
Suppose a in R^3. Define A in L(R^3) by Av = a cross v
a) find adjoint A^*, assuming that R63 is equipped with the standard dot product
…
 updated 2 months ago
 2 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone explains me, please
A: U> V
B: V> W
…
 updated 2 months ago
 5 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Let M be a given symmetric n x n real matrix. let A be a linear operator on real antisymmetric n x n matrices given by AX = MXM
1/ What is…
 updated 2 months ago
 11 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
I need help
 updated 2 months ago
 30 replies
 2 Medals
Mathematics

Loser66:
Group Title
Prove or disprove that there are no complex 3 x3 matrices X and Y such that \[XYYX=\left[\begin{matrix}1&0&0\\0&2&0\\0&0&3\end{matrix}\rig…
 updated 2 months ago
 1 reply
 No Medals Yet
Mathematics

Loser66:
Group Title
An internal combustion engine operates according to the Otto cycle shown in the figure. The cycle consists of 4 stages:
1/ A> B constant …
 updated 2 months ago
 10 replies
 3 Medals
Mathematics

Loser66:
Group Title
Consider the electrical circuit shown below. The electromotive force of the battery is \(\epsilon \)= 12V, the resistors have resistance C =…
 updated 2 months ago
 2 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone explains me, please Every vector on C has the form Aab=az+bz¯ for some a,b in C Let u= (u1,u2), v =(v1,v2) (u, v)=((u1,u2),(v1,v2))…
 updated 3 months ago
 18 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone explains me, please
Every vector on C has the form
\(A_{ab}= az + b\bar z\) for some a,b in C
…
 updated 3 months ago
 No Medals Yet
Mathematics

Loser66:
Group Title
Prove: Every eigenvalue of an orthogonal transformation has absolute value 1.
Please, help. I read the answer from https://answers.yahoo.co…
 updated 3 months ago
 14 replies
 3 Medals
Mathematics

Loser66:
Group Title
Prove: If A is selfadjoint and if A^k=1 for some strictly positive integer k, then A^2=1
Please, help
…
 updated 3 months ago
 18 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Find the matrices of all perpendicular projection on C^2
Please, help
 updated 3 months ago
 4 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Find the perpendicular projection of (1,1,1) on the one dimensional subspace of C^3 spanned by(1,1,1). In other words, find the image of th…
 updated 3 months ago
 18 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
\[f(x) =ax_1^2 +2x_1x_2+2x_1x_3\] under which condition of a, f(x) >0?
Please
 updated 3 months ago
 19 replies
 2 Medals
Mathematics

Loser66:
Group Title
a^2+b^2+c^2+ab+bc+ac>0 for all a, b, c?
please, help
 updated 3 months ago
 24 replies
 4 Medals
Mathematics

Loser66:
Group Title
if the primary term is 6.11, the second term is 0.015. What is the percent different between the first and the second term?
Please, help.:)
 updated 3 months ago
 4 replies
 1 Medal
Mathematics

Loser66:
Group Title
\[\int_0^1 t x(t) y(t) dt\] please help
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

Loser66:
Group Title
what is the condition of a to get
\[ax_1\bar x_2+\bar a \bar x_1x_2>0\] where \(a,x_1,x_2 \in C\) \(x_1\neq 0\) \(x_2\neq 0\)
Please, he…
 updated 3 months ago
 25 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Someone explains me, please
…
 updated 3 months ago
 6 replies
 2 Medals
Mathematics
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