Which of the function is not an exact equation of the first order?

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Which of the function is not an exact equation of the first order?
A. (ey + ycosx) dx + (xey + sinx + 1)dy
O B(cosx.cosy — cotx)dx – sinx.sinydy = 0
C3y (x²-1)dx - sinx.sinydy
0
OD (3x² - 2y + ex+y)dx + (−ex+y − 2x + 4)dy = 0
F.
All of the Choices
None of the Choices
=
=
0
Transcribed Image Text:Which of the function is not an exact equation of the first order? A. (ey + ycosx) dx + (xey + sinx + 1)dy O B(cosx.cosy — cotx)dx – sinx.sinydy = 0 C3y (x²-1)dx - sinx.sinydy 0 OD (3x² - 2y + ex+y)dx + (−ex+y − 2x + 4)dy = 0 F. All of the Choices None of the Choices = = 0
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