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If p-1, p+3, 3p-1 are in AP then find th...

If p-1, p+3, 3p-1 are in AP then find the value of p?

Text Solution

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if a,b,c are in AP then
`2b = a+c`
`b -a = c-b`
`2b = a+c`
`p-1, p+3, 3p-1`
`(p+3)- (p-1) = (3p-1) - (p+3)`
`4 = 2p - 4`
`p =4`
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