Answer: x = 11
Step-by-step explanation:
x+3 = 42/3 = 14
x = 11
We know, equation of ellipse is given by :

Here,
(h,k) is centre of the ellipse = (0,0).
a = major axis = 8.
b = minor axis = 4.
Putting all given value in above equation, we get :

Hence, this is the required solution.
Answer:
c=18
Step-by-step explanation:
Answer:
3
Step-by-step explanation: