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Engineering Mathematics Practice Test 46

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## Mathematical Model MCQ with Answers : Quiz 46

MCQ 226:

If all the operators in a mathematical model exhibit linearity, the resulting mathematical model is defined as

1. linear model
2. nonlinear model
3. invariant model
4. non invariant model
MCQ 227:

L{y''}=

1. s2Y-sy(0)
2. s2Y-sy(0)+y'(0)
3. s2Y-sy(0)-y'(0)
4. s2Y+sy(0)-y'(0)
MCQ 228:

Inverse Laplace transform of f(s)=a/s2 is

1. at
2. ae-t
3. ate-t
4. a/2 t2
MCQ 229:

We denote the logarithmic function with base e 'logex' as

1. Lnx
2. lnx
3. lnX
4. LNx
MCQ 230:

Cosx is the derivative of

1. sinx
2. −sinx
3. −cosx
4. secx