All Questions page - 53

Prove that

L{\(Sin{at} \)} =\(\frac{a} {(s^{2}+a^{2})},s>0\)

Prove that

L\(Cosat=\frac{s} {s^{2}+a^{2}},s>0\)

Prove that ​​​​​​

L{\(Sinhat\)}\(=\frac{a} {s^{2}-a^{2}},s>|a|\)​​

Prove that

L{\(coshat\)} =\(\frac{s} {s^{2}-a^{2}},s>|a|\)

Find the laplace transformation of

Sin2t cos3t

Find the laplace transformation of\(Sin^{3}2t\)

Find the laplace transformation of\(Cosh^{3}2t\)

Find the laplace transformation of\((\sqrt{t} +\frac{1}{\sqrt{t}})^{3} \)

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