Math, asked by ritik6394124606, 11 months ago

(ii) श्रेणी 15+11+7+... के कितने पदों का योगफल 35 है?​

Answers

Answered by Jayasaini
1

Answer:

S= n/2[2a+(n-1)d]

n= term=unknown

a= 1 term=15

d= sarv antar 15-11 =11-7=4

S= n term ka sum=35

se solve kar sakte ho

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