Question

the question is:

Answer 1

???

Answer 2

@shruti: To avoid trolling comments, it is always a good idea to post the question the first. There is always an option for editing the question.

Answer 3

whenever we need help noone is there but on useless talk we find everyone.what the hell is thzz!!!

Answer 4

this is no hell...ITS THE OPENSTUDY,, FYI

Answer 5

I have cleared the filth, but I wasn't the one who close this question.

Answer 6

if an idempotent matrix:
is also skew symmetric then it must be?
which matrix?

Answer 7

shruti is this is ur question?

Answer 8

right now it is...so try it out!

Answer 9

symmetric Matrix ..

Answer 10

it is not even in the options.

Answer 11

ok

Answer 12

then how you have said that one??

Answer 13

wat are the options?

Answer 14

1.involuntary
2.identity
3.orthogonal
4.null

Answer 15

it's null obviously :P

Answer 16

you have got a brain!! :P

Answer 17

woah thanks mam

Answer 18

woahhhhhhhhhh
lol.
jk.

Answer 19

idempotent matrix
A^2=A
And skew symmetric matrix=A^'=A
Symmetric Matrix=A^'=A ...I JUST RELATED THIS RELATION ............LOL but bad luck ...answer was wrong

Answer 20

i dint know that shruthi can lol :P

Answer 21

skew s matrix A^'=-A

Answer 22

leave it its wrong!