(d) the curve of intersection between the Paraboloid z = x² + y² and the Plane 2x-J+z=0 has constant curvature 21√5

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ISBN:9780470458365
Author:Erwin Kreyszig
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This is the whole question which needs to be answered with true or false and also the explanation, I need the answer for (d) thanks for helping 

(d) the curve of intersection between the
Paraboloid z = x² + y² and the Plane
2x=y+z=0 has constant curvature
21√5
(e) the line r= (2,2,1) + t(1, 2,57
intersects the surface xy² z³ = 8
3
orthogonally at (2,2,1)
1. True or false.
2
(a) f ₁ f ²² Sin (x² y) dx dy = *
1
1b) (cy (cosx + 1) dx + sing dy
LAKA
(C) Assuming That z = z(x, y) can be
defined by the function z =
z = sin(xyz)
Then
with explanations
Əx
=y
dz
ay
This is
Z=sin(xyz)
Transcribed Image Text:(d) the curve of intersection between the Paraboloid z = x² + y² and the Plane 2x=y+z=0 has constant curvature 21√5 (e) the line r= (2,2,1) + t(1, 2,57 intersects the surface xy² z³ = 8 3 orthogonally at (2,2,1) 1. True or false. 2 (a) f ₁ f ²² Sin (x² y) dx dy = * 1 1b) (cy (cosx + 1) dx + sing dy LAKA (C) Assuming That z = z(x, y) can be defined by the function z = z = sin(xyz) Then with explanations Əx =y dz ay This is Z=sin(xyz)
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