Solve u^2=49 , where u is a real number.
Simplify your answer as much as possible.
Taking the square root of both sides, we get:
u = ±√49
u = ±7
So the solutions are u = 7 and u = -7.
Simplify your answer as much as possible.
u = ±√49
u = ±7
So the solutions are u = 7 and u = -7.