How do you simplify #3sqrt(-48)#?
1 Answer
Dec 20, 2015
or more proper form
Explanation:
Rewrite as follow .... because we can't have a real answer if we have negative number under the radical
Rewrite, to that 2 numbers multiply equal 48 but one of them is a perfect square
#=3sqrt(16*3*-1)#
Take the square root of 16, and square of -1 and place it in the front as and multiply it to 3
#=3*4*i sqrt(3)#
#= 12i sqrt(3)#
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