Question

4. Find the center and radius of the sphere x2 + y2 + z2 – 2x – 4y + 8z = 17. Also,
sketch the graph of x2 + y2 = 1 in 3-space.​

Answer 1

Answer:

Draw a circle of diameter 7 cm, Mark a point M at a distance of 9 cm from

its Centre. Through M draw tangents to the circle. Measure the lengths of the

tangents Draw a circle of diameter 7 cm, Mark a point M at a distance of 9 cm from

its Centre. Through M draw tangents to the circle. Measure the lengths of the

tangents

Step-by-step explanation:

Draw a circle of diameter 7 cm, Mark a point M at a distance of 9 cm from

its Centre. Through M draw tangents to the circle. Measure the lengths of the

tangents

Draw a circle of diameter 7 cm, Mark a point M at a distance of 9 cm from

its Centre. Through M draw tangents to the circle. Measure the lengths of the

tangents Draw a circle of diameter 7 cm, Mark a point M at a distance of 9 cm from

its Centre. Through M draw tangents to the circle. Measure the lengths of the

tangents