Engineering Mathematics Certification Exam Tests

Engineering Mathematics Practice Test 9

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The Quiz: *∂/∂x e ^{v ln u }=;* "Logarithm" App Download (Free) with answers: E

MCQ 41:

**∂/∂x e ^{v ln u }=**

- e
^{v ln u }^{∂u}⁄_{∂x}v ln u - e
^{v ln u }^{∂}⁄_{∂x}v ln u - e
^{u}^{∂}⁄_{∂x}v ln u - e
^{v}^{∂}⁄_{∂x}v ln u

b

MCQ 42:

**M(x,y)∂x+N(x,y)∂y=0 is representation of**

- first order ODE
- second order ODE
- third order ODE
- n
^{th}order ODE

a

MCQ 43:

**Inverse Laplace transform of F(s)=1/s ^{4} -228/s^{6} is**

- 2t
^{3}-1.9t^{5} - 2t
^{3}-228t^{5} - t
^{3}-228t^{5} - t
^{3}-t^{5}

a

MCQ 44:

**Solution 'y' for y'+2=0 by Laplace transform when y(0)=1.5 is**

- 1.5e
^{2t} - 1.5e
^{-2t} - e
^{-2t} - e
^{2t}

b

MCQ 45:

**The logarithmic function y=lnx has inverse**

- y=e
^{x} - y=e
_{x} - y=lne
- y=x
^{e}

a

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