Basic PDES Which of the following statements is guaranteed to be true? - [cos(y) + y²x] = y2² O[cos(y) + y²x] = y² Əz [cos(y) + y²x] = y² O [cos(y) + y²x] = y²

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 40E
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Basic PDES
Which of the following statements is guaranteed to be true?
- [cos(y) + y²x] =
=
= y²
O[cos(y) + y²x] = y²
[cos(y) + y²x] = y²
Əz
Basic PDEs
A function u obeys, = sin(x) + 2xy. Which of the following is a valid answer for u and y?
I² ○ u = cos(y) + y²x, y = y² ○ u = cos(x) + x²y,
Ju
Du
○ u = cos(x) + x²y,
=
○ u = cos(y) + y²x, B
sin(y) + 2yx
Travelling waves
Ju(x,0)
Which of the following are valid solutions of
=
20
with initial condition
Ot
- only select answers you are sure about to avoid penalty]
1
□ (x-vt)² + (x + vt) ²
(2+18)² +1
(z-vt)²+1
(2+0)² +1 +(2-x)²+1
cos(y) + y²x] = y²
- sin(x) + 2xy
-
0? [NOTE: points will be deducted for each invalid solution
□ (x-vt)²(x+vt)²
=
Transcribed Image Text:Basic PDES Which of the following statements is guaranteed to be true? - [cos(y) + y²x] = = = y² O[cos(y) + y²x] = y² [cos(y) + y²x] = y² Əz Basic PDEs A function u obeys, = sin(x) + 2xy. Which of the following is a valid answer for u and y? I² ○ u = cos(y) + y²x, y = y² ○ u = cos(x) + x²y, Ju Du ○ u = cos(x) + x²y, = ○ u = cos(y) + y²x, B sin(y) + 2yx Travelling waves Ju(x,0) Which of the following are valid solutions of = 20 with initial condition Ot - only select answers you are sure about to avoid penalty] 1 □ (x-vt)² + (x + vt) ² (2+18)² +1 (z-vt)²+1 (2+0)² +1 +(2-x)²+1 cos(y) + y²x] = y² - sin(x) + 2xy - 0? [NOTE: points will be deducted for each invalid solution □ (x-vt)²(x+vt)² =
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