# Just a few questions to see if anyone here is a science related major in college?

1. what is the square root of -1
2. what is the integral of e^x
3. what is the laplace transform of e^-4t
4. what is the z tansform of x^n
5. is this system causal or non?
y[n]=x[n-5]
6. what is fermi energy?
7. what is the output of a and gate?
8. what is cosine of pi?
9. what is the laplace transform of a resistor?
10. what does current divided by time equal?

so if you know all these tell me your major i'm a studying eletrical engineer

• i don't know any of these
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• i only know 1-3 of these
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• i know 3-7 of these
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• i know all of these (if so put answers below)
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number 10 should be current divided by voltage sorry..

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• 1- the square root of -1 is i
2- d/dx (e^x) is e^x so the integral is also e^x

8- cos (π) = -1
10- charge divided by time is current. Current divided by time is charge divided by time squared

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• guess you leaned 10 from physics class or your job huh? the others are high school so i'm just curious

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