Answer:
x= ±
+2
Step-by-step explanation:
Use the formula ( b/2) ^2 in order to create a new term. Solve for x by using this term to complete the square.
x= ±
+2
Answer:
gravitational Potential Energy
Step-by-step explanation:

is equal to 2x, since it is the derivative of

.
Answer:
not existing
Step-by-step explanation:

lim x goes to 0 is

so not exist
I'm not sure if u mean that or this