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How do you solve $p= sqrt(2p-1)$ ?

1 Answer

Aug 22, 2016

There are two same solutions $p=1$

Explanation:

$p=sqrt(2p-1)$

or

$p^2=2p-1$

or

$p^2-2p+1=0$

or

$(p-1)^2=0$

or

$(p-1)(p-1)=0$

or

$p-1=0$

or

$p=1$

Hence there are two same solutions $p=1$

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