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9th grade math question?
A = (1 / √1) + (1 / √ 2 ) + .......+ ( 1 / √ 25 )
B = 5
a/ A > B
b/ A < B
c/ A = B
plzzz let i understand how can you answer it.....
1 Answer
- jamesLv 59 years agoFavorite Answer
well...there's probly an elegant answer,
but here's a cheap one:
the smaalest number you have
is the Last one...which is actually 1/5 ... and you have
25 of them....which would equal '5' but if you change one to be
he first 1/1 it makes the sum greater than 5...to be exact:
1 & 24/5 or 1+4+ 4/5 = 5.8
Source(s): slide rule
