The houses in a row are numbered consecutively from 1 to 49. Show that there exists a value X such that the sum of numbers of houses proceeding the house is equal to the sum of numbers of houses following X.
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Answered by
25
Hope dis helps u..
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Anonymous:
Thanxx..
u r in which class laksanyasenthil
Class 9...y??
it means you searched the question in google and copied the answer from that.
Hey...u....I got this answer from my elder sis....
then how can the image be posted with computer letters..
Answered by
16
Here,
S(x-1)=S49
a=1 and d=1
S(x-1)=S49
a=1 and d=1
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