? C B C C B A B A C A A A A C C B
C A C A C C B C A B B A A C B A A
34 upon 5 plus 39 upon 10 plus 82 upon 15
in a sequence of AB and C find the ?
for each element a in a group g prove that there is a unique element b in g such that ab=ba=e
x/5=2.4
x/5=2,4
-3x=4
A + B + C = pi then prove that cos^2 A + cos^2 B + cos^2 C = 1 - 2cos A * cos B * cos C Hence prove that cos 60 deg = 1/2
Can you find four different fractional units that add
up to 1?
It turns out that this problem has six solutions! Can
you find ...
