anonymous
  • anonymous
can you solve it The value of 1 -(2 -(3 -(.....100.....) is..........
Mathematics
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SOLVED
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katieb
  • katieb
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shubhamsrg
  • shubhamsrg
100's the last term right ?
anonymous
  • anonymous
hi shubham
shubhamsrg
  • shubhamsrg
is hi ka matlab main yes samjhun? :P

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More answers

anonymous
  • anonymous
okay
PhoenixFire
  • PhoenixFire
Wouldn't you just work your way out from the inside. 3-100=-97 2-(-97)=99 1-99=-98
anonymous
  • anonymous
What??
anonymous
  • anonymous
@PhoenixFire you are wrong! nice try
PhoenixFire
  • PhoenixFire
How is it wrong?
PhoenixFire
  • PhoenixFire
Oh.. wait
PhoenixFire
  • PhoenixFire
Associative rule. it's the same as 1-2-3-100... work left to right. 1-2=-1 -1-3=-4 -4-100=-104
anonymous
  • anonymous
for u r support I will give you options : A) - 40 B) - 50 c) 50 d) -100 e ) 100 f) 99
anonymous
  • anonymous
It will be like: 1-2+3-4+5-6+7...-100
anonymous
  • anonymous
Sum odd number from 1 to 100 - sum of even number from 1 to 100
anonymous
  • anonymous
Still m not satisfied !! more proofs needed
PhoenixFire
  • PhoenixFire
What do you mean by (......100.......)
anonymous
  • anonymous
100
anonymous
  • anonymous
yeah why there is (.....100...) ?
PhoenixFire
  • PhoenixFire
so it's 1-(2-(3-(100))).... why did you add ........
anonymous
  • anonymous
hmmmm..................
anonymous
  • anonymous
you could write it like @PhoenixFire , what is the significance of those dots?
anonymous
  • anonymous
for your knowledge its INEQUALITY QUESTIOn
anonymous
  • anonymous
:P
anonymous
  • anonymous
Sum of odd number from 1 to 100 -sum of even number from 1 to 100 2500-2550 -50
anonymous
  • anonymous
A simple example : 1/2·3/4·5/6· ... ·99/100 < 1/10. solution : A(n) < 1/√3n,
hartnn
  • hartnn
its just 1-2+3-4+5-6+......100 isn't it ?
hartnn
  • hartnn
then @sauravshakya is right
anonymous
  • anonymous
@sauravshakya you were correct but still add a thing and a medal for u is waiting! :p
anonymous
  • anonymous
?
anonymous
  • anonymous
!!
anonymous
  • anonymous
how can it be Sum of odd number from 1 to 100? there is -3 not 3
anonymous
  • anonymous
1 -(2 -(3 -(.....100.....) =1-2+(3-(...100...) =1-2+3-(4-(5...100...)
shubhamsrg
  • shubhamsrg
lets start from inside,, ............-(95 - (96 - (97 - ( 98 - ( 99 -100) ) ) ) ) ) ............-(95 - (96 -(97 - (98 - 99 + 100 ) .... ..........-(95 - (96 - (97 - 98 + 99 - 100 ).. .........-(95 - 96 + 97 - 98 + 99 - 100) sign alternates everytime for each no..i.e. 2 consecutive nos. have opposite signs.. in the end, we shall have 1- 2 +3 - 4 ......... -100 (1+3+5......99) - (2 +4 +6 ...100) 25(100 - 102) =-50 was that corretc ?
anonymous
  • anonymous
Open the bracket one by one and see
anonymous
  • anonymous
YEp very correct @shubhamsrg
anonymous
  • anonymous
good @shubhamsrg

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