Find in parametric form the characteristics of the differential equation X2x + yzy = 2z, and describe the characteristic projectio...
x^2-3x-4=0
8638676.1081
8040807.0269
1816328.1350
2426800.812
16679483÷2162
21444785.538
18715712700
10154841624
43241076
77.34192
...
17.2 divided by 0.043
(x-2)+(y-3)=0
8+7x-x^2=0
A chain letter is sent to 4 people. Each of those 4 people mails the letter to 4 other people, and the process is repeated. What i...
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