Loser66
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0 
Questions Asked

Loser66:
Group Title
Please, help; f, g are functions
f:A> B
g: B> C
…
 updated 9 hours ago
 8 replies
 2 Medals
Mathematics

Loser66:
Group Title
Please help. I need understand what it is
 updated 15 hours ago
 6 replies
 1 Medal
Mathematics

Loser66:
Group Title
Explain, please
 updated 22 hours ago
 8 replies
 3 Medals
Mathematics

Loser66:
Group Title
If f:S> T is a function from S into T, show that the following are equivalent
a) f is onetoone
b) For every y in T, the set \(f^{1({y})…
 updated yesterday
 60 replies
 1 Medal
Mathematics

Loser66:
Group Title
How to negate this sentence: "The integer n is odd only if 3n is odd." Please help
 updated yesterday
 19 replies
 2 Medals
Mathematics

Loser66:
Group Title
How to negate this sentence: "The integer n is odd only if 3n is odd."
Please help
 updated 20 hours ago
 59 replies
 5 Medals
Mathematics

Loser66:
Group Title
Let f: S> T be a function.
C1, C2 \(\subset T\), and D1,D2 \(\subset S\)
Prove: …
 updated yesterday
 9 replies
 2 Medals
Mathematics

Loser66:
Group Title
Determine f(x) is one to one, onto or both
Please, help
 updated 2 days ago
 18 replies
 2 Medals
Mathematics

Loser66:
Group Title
Please help prove
4^n >n^2 for all nonnegative integers n
 updated 2 days ago
 7 replies
 2 Medals
Mathematics

Loser66:
Group Title
Write the negation of this statement, avoiding use of the word "not"
"For all real numbers x, there exists a positive integer N such that \…
 updated 2 days ago
 5 replies
 3 Medals
Mathematics

Loser66:
Group Title
Teach me please
Is there any algebraic way to get the inverse of a set.
for example:
…
 updated 4 days ago
 1 reply
 No Medals Yet
Mathematics

Loser66:
Group Title
Please, help
 updated 3 days ago
 10 replies
 1 Medal
Mathematics

Loser66:
Group Title
Show that the function f defined by
\(f(x):= \dfrac{x}{\sqrt{x^2+1}}\) \(x \in R\), is a bijection of R onto {y: 1<y<1}
Please, help.
 updated 4 days ago
 7 replies
 1 Medal
Mathematics

Loser66:
Group Title
Draw diagrams in the plane of the Cartesian product A x B for the given sets A and B
1) \(A= {x \in R: 1\leq x\leq 2~~~or~~3\leq x\leq 4}\)…
 updated 4 days ago
 8 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
\(A_x=(x,\dfrac{1}{x})\)
when 0<x<1
Find 1) \(\bigcup A_x\)…
 updated 5 days ago
 50 replies
 3 Medals
Mathematics

Loser66:
Group Title
Can someone explain me, please
…
 updated 5 days ago
 15 replies
 1 Medal
Mathematics

Loser66:
Group Title
Check my solution, please
A fair coin is tossed 4 times, List each of the 16 sequences in the sample space S
To not make mistakes, I use K…
 updated 9 days ago
 5 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
An insurance company looks at its auto insurance customers and finds that
a) All insure at least 1 car
b) 85% insure more than 1 car
…
 updated 6 days ago
 44 replies
 2 Medals
Mathematics

Loser66:
Group Title
Of a group of patients having injuries, 28% visit both a physical therapist and a chiropractor and 8% visit neither. Say that the probabilit…
 updated 9 days ago
 16 replies
 1 Medal
Mathematics

Loser66:
Group Title
@ikram002p
 updated 2 months 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 2 months 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 2 months 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 3 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 2 months 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 3 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 3 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 3 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 3 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 3 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 3 months ago
 No Medals Yet
Mathematics
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