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Mathsfreak

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Let A be a subset of T={1,2,…,100} subject to the condition that if 2 distinct elements a and b are in A, then a+b is not in
1. 0 answers
2. 399 views
It can be shown that for any positive integer n, the infinitely nested radical expression(n+(n+(n+....)^1/2)^1/2)^1/2 equals a
1. 4 answers
2. 643 views
x,y and z are complex numbers that satisfy the equations x+y+z=2, xy+yz+zx=3 and xyz=4. Given that
1. 1 answer
2. 531 views
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a
1. 6 answers
2. 620 views

the term is (x^2 + 2x -1)^8 :)
Right answer please
Still a simple careless mistake : 1-9972=0.0028 nt 27.:)
17
Mind ur language,geezer.What on this earth is Brilliant anyways.Please check out 'The 1001 combinatorics problems' by 'Springer' problem #79 before blaming me..........:p
In any order ,I guess, as it hasn't been particularly specified!The question is an exact copy from the springer book on 'Combinatorics'.
Well............u cheat quite well.Should I report this to the authorities? :p
496...............:)
I tried using circular permutations......but the answer didn't tally.Also..............31 is a wrong answer
Check ur answer
answer ?
15................apply vieta's rule . :))))))))

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