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100's the last term right ?

hi shubham

is hi ka matlab main yes samjhun? :P

okay

Wouldn't you just work your way out from the inside.
3-100=-97
2-(-97)=99
1-99=-98

What??

@PhoenixFire you are wrong! nice try

How is it wrong?

Oh.. wait

Associative rule.
it's the same as 1-2-3-100... work left to right.
1-2=-1
-1-3=-4
-4-100=-104

for u r support I will give you options :
A) - 40
B) - 50
c) 50
d) -100
e ) 100
f) 99

It will be like:
1-2+3-4+5-6+7...-100

Sum odd number from 1 to 100 - sum of even number from 1 to 100

Still m not satisfied !! more proofs needed

What do you mean by (......100.......)

100

yeah why there is (.....100...) ?

so it's 1-(2-(3-(100))).... why did you add ........

hmmmm..................

you could write it like @PhoenixFire , what is the significance of those dots?

for your knowledge its INEQUALITY QUESTIOn

:P

Sum of odd number from 1 to 100 -sum of even number from 1 to 100
2500-2550
-50

A simple example :
1/2·3/4·5/6· ... ·99/100 < 1/10.
solution : A(n) < 1/√3n,

its just 1-2+3-4+5-6+......100 isn't it ?

then @sauravshakya is right

@sauravshakya you were correct but still add a thing and a medal for u is waiting! :p

!!

how can it be Sum of odd number from 1 to 100? there is -3 not 3

1 -(2 -(3 -(.....100.....)
=1-2+(3-(...100...)
=1-2+3-(4-(5...100...)

Open the bracket one by one and see

YEp very correct @shubhamsrg

good @shubhamsrg