Find the laplace transformation of\((1+te^{-t})^{3}\)

Find the laplace transformation of\(e^{-3t}cos^{2}t\)

Find the laplace transformation of\(Sinh3tcos^{2} t\)

Find the laplace transformation of

L(tsinat) 

Find the laplace transformation of

L(tcosat) 

Find the laplace transformation of\(t^{2}sinat\)

Find the laplace transformation of\(te^ {-4t}sin3t\)

Find the laplace transformation of\(f(t) =|t-1|+|t+2|+|t+1|+|t-2|,t>=0\)

Which is the second country in the world to land a Rover on Mars?

1) Russia

2) Japan

3) China

4) India

Calamine and Sphalerite are the ores of -

1) Iron

2) Mica

3) Zinc

4) Copper

The size of particles being studied in nano-technology is about -

1) 1A - 10 nm

2) 1 - 100nm

3) 1-50 u

4) 1 mm - 10 mm