How do you find #abs(-5i)#?
1 Answer
Jun 6, 2016
Apply the definition
Explanation:
The modulus of a complex number
and is an extension of the absolute value function, which applies to reals. The latter represents the distance from the real number to
Applying this definition to our given complex number, we have:
#=sqrt(0^2+(-5)^2)#
#=sqrt(0+25)#
#=sqrt(25)#
#=5#