jamie bean
New member
- Joined
- May 31, 2018
- Messages
- 5
real numbers: which is true? I. m2⎯⎯⎯⎯⎯√ II. ||−m|| III. −||m||
Which of the following expressions, if any, are equal for all real numbers m ?
I. [FONT=STIXMathJax_Main-italic]m[FONT=STIXMathJax_Main]2[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Main]√[/FONT]
[/FONT]
II. [FONT=STIXMathJax_Main]|[FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]−[/FONT][FONT=STIXMathJax_Main-italic]m[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT]
[/FONT]
III. [FONT=STIXMathJax_Main]−[FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main-italic]m[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT]
[/FONT]
Which of the following expressions, if any, are equal for all real numbers m ?
I. [FONT=STIXMathJax_Main-italic]m[FONT=STIXMathJax_Main]2[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Symbols]⎯[/FONT][FONT=STIXMathJax_Main]√[/FONT]
[/FONT]
II. [FONT=STIXMathJax_Main]|[FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]−[/FONT][FONT=STIXMathJax_Main-italic]m[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT]
[/FONT]
III. [FONT=STIXMathJax_Main]−[FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main-italic]m[/FONT][FONT=STIXMathJax_Main]|[/FONT][FONT=STIXMathJax_Main]|[/FONT]
[/FONT]
- I and II only
- I and III only
- II and III only
- I, II, and III
- None of the expressions are equivalent.