Math Is Fun Forum

hi aishwarya,

you can do it like an equation.

which means that the train has to go x seconds to cover the distance that the man will go plus its own 100m=0,1km.
from this you get

hope it helps.

630=2*3*3*5*7=97+101+103+107+109+113 which are consecutive primes

let's try this: x[0]=sqrt(5) and x[n+1]=sqrt(5+x[n])

then that's all i need. btw i get 0.

ihaven't learned anything here at school,just like to search
i know l'Hopital's rule.

561

if HCF(561,b)=1 then b^560 is congruent to 1 modulo 561

thanks for your help
what would happen if it were

instead of

hi

call me dumb but still not getting it

i forgot it should be

sorry

hi all

bob bundy, what i ment was is there anything you can do if you had something like this:

PS i did this one in 6 tries

if you don't have anything to do maybe you could help me a little bit with this. just so i can get the hang of it.