fSolve not working when given interval

08302021, 12:26 PM
Post: #1




fSolve not working when given interval
New HP Prime user here, I was testing solve functions in cas, but found that
fsolve(x^2+4x+4=0, x) returns 2 as expected, but fsolve(x^2+4x+4=0, x, 5..5) returns empty brackets. solve() behaves the same as well. Why is this happening? And also, knowing when to use solve, fsolve, Solve app, etc. seems very confusing... could somebody explain when to use what? 

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fSolve not working when given interval  mikeeei  08302021 12:26 PM
RE: fSolve not working when given interval  parisse  08312021, 06:57 PM

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