Math, asked by rajendraw6291, 8 hours ago

Find the number of terms in the A.P. 1,3,5,....,139 .

Answers

Answered by shimitp007

2

Answer:

a=1

l=139

c.d.=3-1=2

therefore, 1+(n-1)2=139

1+2n-2=139

2n=139+1

n=140÷2

therefore total number of terms=70

Hope it helps....

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