is the set x^2 -2x -15 <0 is compact?
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Answered by
0
No the set is not compact
valentina13:
can you please give me the reasons of it not being compact?
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2
Answer:
Step-by-step explanation:
x^2 -2x -15
x^2 +3x-5-15
x( x+3) -5( x+3)
x=-3 and +5
so the set be X = {3}
singleton set
thank you so much
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