91 reputation
13
bio website
location London
age 32
visits member for 3 years
seen Nov 27 '13 at 11:05

Aug
22
revised Prove that: $ \cot7\frac12 ^\circ = \sqrt2 + \sqrt3 + \sqrt4 + \sqrt6$
fix sloppy function formatting
Aug
22
comment Prove that: $ \cot7\frac12 ^\circ = \sqrt2 + \sqrt3 + \sqrt4 + \sqrt6$
use the other solutions!
Aug
22
answered Prove that: $ \cot7\frac12 ^\circ = \sqrt2 + \sqrt3 + \sqrt4 + \sqrt6$
Aug
18
awarded  Enthusiast
Aug
16
revised team needs 14 runs to win
fix sentence
Aug
15
answered A circle has diameter $AD$ of length $400$
Aug
15
revised team needs 14 runs to win
added 81 characters in body
Aug
15
comment team needs 14 runs to win
excellent. thanks. i'll edit the answer for the benefit of others but you get the credit here
Aug
15
comment team needs 14 runs to win
is the difference the 1st and 3rd terms ..the additional divisions by '2!' for the last two 0 scoring bats. so my solution requires 14 in 6 balls? yours, 4-6 balls?
Aug
15
awarded  Supporter
Aug
15
comment team needs 14 runs to win
i'll look for mistakes, thanks
Aug
15
answered team needs 14 runs to win
Aug
15
comment team needs 14 runs to win
'(i.e.) exactly 14 run' limited the scope and left no ambiguity in my mind. i was about to drop my answer before this got put on hold.
Aug
12
awarded  Teacher
Aug
12
answered Linear programming simplex - can I have a constraint with a multiplication?
Aug
12
awarded  Editor
Aug
12
revised Understanding how to find a basis for the row space/column space of some matrix A.
fixed hole in statement. thanks 'user84413'
Aug
12
comment Understanding how to find a basis for the row space/column space of some matrix A.
yes, i should have mentioned that. it's not my technique to exchange rows, but you're correct yes.
Aug
12
answered Understanding how to find a basis for the row space/column space of some matrix A.