User nippon - Mathematics Stack Exchange

nippon

Member for 9 years, 4 months
Last seen more than a week ago

12 Answers

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6 votes

Does $L^2 = P^2$ implies that $L = P$?

answered Mar 7, 2016 at 20:41

2 votes

Accepted

What can be said about $A$ if $P(A) = \{ \emptyset, \{x\}, \{y\},\{x,y\}\}$

answered Oct 26, 2014 at 22:42

1 vote

What two numbers when multiplied gives $-25$ and when added, $-10$?

answered Jun 7, 2015 at 19:52

1 vote

prove that $A^2 = I $ implies that $A=I $ or $ A= -I $

answered Mar 8, 2016 at 21:56

0 votes

Big-O proof of inclusion

answered Mar 20, 2016 at 21:04

0 votes

Accepted

Solve the equation $\sqrt{\cos x}=2\cos x-1$

answered Jun 9, 2015 at 9:35

0 votes

I need help solving a logarithm equation.

answered Jun 11, 2015 at 9:33

0 votes

I wanna figure out the numbers in an arithmetic sequence question

answered Mar 2, 2016 at 17:54

0 votes

Set with no elements!?

answered Nov 5, 2014 at 21:55

0 votes

Sum of absolute values is finite

answered Apr 16, 2015 at 20:14

0 votes

Proof of diagonalizable linear tranfromation

answered Oct 26, 2014 at 22:37

-2 votes

I need help with an average question

answered Jun 10, 2014 at 12:47