4. a) Find the surface area of the part of the sphere x² + y² + z² = 4 that lies above the plane z = 1.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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4. a) Find the surface area of the part of the sphere x² + y² + z² = 4 that lies above the
plane z = 1.
b) Let S be the surface parametrized by x = u + 3; y = v + 2; z = uv². Show that the
point P with (x,y,z) co-ordinates (4,4,4) lies on S and find an equation of the tangent plane
to S at point P.
Transcribed Image Text:4. a) Find the surface area of the part of the sphere x² + y² + z² = 4 that lies above the plane z = 1. b) Let S be the surface parametrized by x = u + 3; y = v + 2; z = uv². Show that the point P with (x,y,z) co-ordinates (4,4,4) lies on S and find an equation of the tangent plane to S at point P.
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