Hindi, asked by kumbhajchandrak9506, 11 months ago

श्रेणी 1+2+3+....के कितने पदों का योगफल 5050 होगा?

Answers

Answered by gulatinimeesha2001
1

Answer:

900 is the ans of your question

Answered by pyuvraj551
0

Answer:

100

Explanation:

यहां a=1

d=1

Sn=n/2{2a+(n-1)d}

5050=n/2{2.1+(n-1).1}

5050×2=n{n+1}

10100=n^2+n

n^2+n-10100=0

n^2+101n-100n-10100=0

(n+101)(n-100)=0

n=-101 (नगण्य या ऋणात्मक संख्या)

n=100

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