Standing waves on a string with a hanging mass

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chessmaster62
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New poster has been reminded to post the Relevant Equations and show their work on schoolwork problems
Homework Statement
idk
Relevant Equations
v=f(frequency)
Hi guys,
so I am struggling on the Standing Waves concept. I understand that these are waves that move in place but I don't know how to attempt this problem. Can someone set me on the right track?
 

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Hello chessmaster, :welcome: !

PF culture (and the rules too) requires an effort from you before we can help.
write down the relevant relationships for the two cases and see if things cancel (divide out)