Math, asked by sanskritiagarwal58, 10 days ago

Evaluate: 1 + 3+ 5 + 7 + … + 49

Answers

Answered by kirankumarkmkiran86

0

an:49. an:a+(n-1)d

n:? 49:1+(n-1)2

a:1. 49:1+2n-2

d:a2-a. 49:2n-1

3-1. 49+1:2n

d: 2. 50:2n

n:50/2

n:25

(n:25)

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