How do you solve 2n^2 = -144?
2 Answers
Apr 16, 2018
Explanation:
The square root of a negative number will always involve complex numbers.
Since
Apr 16, 2018
Explanation:
"divide both sides by 2"
rArrn^2=-144/2=-72
color(blue)"take the square root of both sides"
rArrn=+-sqrt-72larrcolor(blue)"note plus or minus"
[sqrt-72=sqrt(36xx2xx-1)=sqrt36xxsqrt2xxsqrt(-1)]
rArrn=+-6sqrt2i