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Mathematics 20 Online
OpenStudy (blackops2luvr):

Find sqrt(-49)

Nnesha (nnesha):

|dw:1418591962943:dw| seprate them

OpenStudy (alexandervonhumboldt2):

i7 -i*7 bcause we cannot take root out of - so it is a complex number

Nnesha (nnesha):

and do you know \[\sqrt{-1} \]

Nnesha (nnesha):

square of -1 equal what ??

OpenStudy (alexandervonhumboldt2):

i*sqrt49

Nnesha (nnesha):

@AlexandervonHumboldt2 let him/her give answer please

OpenStudy (blackops2luvr):

-7

Nnesha (nnesha):

@blackops2luvr do you know \[\sqrt{-1} = ????\] pplease let me know

OpenStudy (blackops2luvr):

-1 sqrt is -1

Nnesha (nnesha):

square of -1 equal i

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