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Maths and Physics (Problems)


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AuthorMaths and Physics (Problems)
Lol, who can type the solution here? I couldnt type it even with MathJax xD

1/root2 tan (inverse) [root tanx - 1/root tanx]/root2 + 1/2 log |(root tanx - 1)/(root tanx + 1)| + c
-root2 x c/root tanx - 1
alright all mathematicians, lets do a grade 5 problem :D
if a+1/a=4, what is a^2+1/a^2? :D
no calculators required :)
no calculators required :)
What if I need a calculator to solve 4^2 - 2 ?
(which, btw, is the answer ;o)
What if I need a calculator to solve 4^2 - 2 ?
then you wouldnt have solved this problem! xD
i remember getting this as the last problem in my grade 6 or 7's final exam. i was really confused cuz i never saw this idea before (and as usual our teacher never discussed anything even close to this) :D
lets do a grade 5 problem :D
my bad i guess it was 6 ;)
OK another problem :D
You are carrying nothing. You meet a friend while taking a walk and he gives you 90 candies :D
after that, you take away 43 of them.
How many do you have?
@123 9 1/9
@127

1 pile of 47 and 1 pile of 43 for a total of 90 candies.
OK another problem :D
You are carrying nothing. You meet a friend while taking a walk and he gives you 90 candies :D
after that, you take away 43 of them.
How many do you have?


not enough! i want more so i hunt down the friend and steal the rest of his candy like the good thief i am :D
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