How do you simplify #-9^(1/2)#?
2 Answers
Jun 30, 2016
Explanation:
Anything raised to the
Now we have the square root of a negative number. We can change this into an imaginary number. The square root of a negative number is equal to that number
So in this case:
Jun 30, 2016
Explanation:
There is ambiguity in the question. To remove it let
#-9^(1/2)# can be written as
#-1xx9^(1/2)#
#=>(-1)xx(+-3)#
#=>+-3#
As reverse is not true, hence supposition is not correct.#-9^(1/2)# can also be written as
#(-1)^(1/2)xx9^(1/2)#
#=>ixx+-3#
#=+-3i#
As reverse is always true
Hence