Question

3 sqrt 5 = sqrt -n
my answer is n= -45 is this solution valid or no solution.

Answer 1

square root of a negative number ?

what number times itself is negative
no real number

Answer 2

solution is invalid
its a complex number

Answer 3

real number doesn't equal imaginary number. THey are totally different

Answer 4

so it is no solution. right!

Answer 5

Thanks !

Answer 6

\[\sqrt{-(-n)} \] is positive which is \[\sqrt{--(3*3*5)}\]

looks valid to me. If n was 45 then the answer is irrational

Answer 7

me too

Answer 8

I was wrong

Answer 9

kantalope is right

Answer 10

thanks