If the vector u = 2i-3j+v3k , then the length of u is -v2 True O False

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
The function f(x,y) =xy/(1+x) is continuous
every where
True O
False O
If f(x.y)=(x^3)+(y^3), and x(t)=3(t^2)
„y(t)=cos(2t), then aflat is:
*. (18(t^4)-6(cos(2t)^2)sin(2t
True O
False O
If the vector u = 2i-3j+v3k , then the length
* of u is -v2
True O
False O
Transcribed Image Text:The function f(x,y) =xy/(1+x) is continuous every where True O False O If f(x.y)=(x^3)+(y^3), and x(t)=3(t^2) „y(t)=cos(2t), then aflat is: *. (18(t^4)-6(cos(2t)^2)sin(2t True O False O If the vector u = 2i-3j+v3k , then the length * of u is -v2 True O False O
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