Math, asked by ayshakhan798799, 6 months ago

1 point

IF a-1,a+3,3a-1 ARE IN AP THEN 2a=

Answers

Answered by saiyedfazil

2

a2-a1=a3-a2

a+3-(a-1)= 3a-1-(a+3)

a+3-a+1=3a-1-a-3

2=2a-4

6=2a

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