Question

Equation of the sphere for which the circle x^2 + y^2 + z^2 + 10y - 4z - 8 = 0,
x + y +z =3 as a great circle is x^2 + y^2 + z^2 - 4x + 6y - 8z + 4 = 0.Say True or
False​

Answer 1

Answer:

x^2 + y^2 + z^2 = - 10y + 4z + 8

x^2 + y^2 + z^2 = 4x - 6y + 8z - 4

- 10y + 4z + 8 = 4x - 6y + 8z - 4

second equation is greater than 1st so second sphere is greater than 1st.