SOLUTION: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this Log2 sqrt of x^2-4=1

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this Log2 sqrt of x^2-4=1      Log On


   

Question 251602: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this
Log2 sqrt of x^2-4=1
Answer by dlam5(15) About Me  (Show Source):
You can put this solution on YOUR website!
The question reads as logbase2sqrt%28x%5E2-4%29
Covert to exponential form. THIS IS AN IMPORTANT THING TO KNOW.
you get:
2%5E1=sqrt%28x%5E2-4%29
Solve by squaring both sides.
thus, x=+plusminus+2sqrt%282%29