Uncovering the Missing Solution in the Modulus Problem: k>4 and k=0

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The discussion centers on the Modulus Problem, highlighting that both k>4 and k=0 are valid solutions. The original textbook only acknowledges k>4, leading to questions about the omission of k=0. Participants express agreement that k=0 should have been included as a solution. The conversation suggests a lack of thoroughness in the textbook's presentation. Overall, both solutions are recognized as important for a complete understanding of the problem.
chwala
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Homework Statement
Find the set of values of ##k## for which ##|(x+5)(x+1)|=k## has two solutions
Relevant Equations
modulus
i got ##k>4## and ##k=0##
find my working...

1633570474845.png


the test book gives solution as ##k>4##. Did they miss out on the second solution ##k=0##?
 
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k=0 and k>4 are solutions as you say.
 
anuttarasammyak said:
k=0 and k>4 are solutions as you say.
Thanks Man...meaning the author was not keen. Cheers! Bingo :cool:
 

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