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Mathematics 18 Online
OpenStudy (swissgirl):

There exists an element in N such that X^2-x+41 is prime Is this statement true?

OpenStudy (swissgirl):

Like how wld i figure this one out??????

OpenStudy (anonymous):

let x=1

OpenStudy (swissgirl):

hahahah this one is stupiidddd lol Thanks

OpenStudy (swissgirl):

umm but how wld i figure out if it was for all x in N x^2-x+41 is a prime number

OpenStudy (swissgirl):

i know its false but like how wld i prove it

OpenStudy (anonymous):

let x=41

OpenStudy (swissgirl):

so its 1681 ok?

OpenStudy (anonymous):

its 41^2 and not a prime

OpenStudy (swissgirl):

ohh so if its not true for one x then the statment is false?

OpenStudy (anonymous):

yes

OpenStudy (swissgirl):

THANKKSSS its simpler than i thought it was lol THANKKSSS :DDDD

OpenStudy (anonymous):

welcome

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