If the Laplace transform of a function $f(t)\ is \frac{1}{s(s+a)}$ then $f(t)$ is equal to :
1). $\frac{1}{a}(1-e^{-at}) $
2). $(1-e^{-at}) $
3). $\frac{1}{a}e^{-at}$
4). $ae^{-at}$
The number of ways to distribute 20 identical balls in 4 different boxes such that no box remains empty is:
1). 696
2). 323
3). 969
4). 52
If the sum and product of any two distinct complex numbers are 4 and 8 respectively, then the numbers are :
1). 2 + 2i; 2 — 2i
2). 2 + 3i; 2 - 3i
3). 3 + 2i; 1 — 2i
4). 1 + 2i; 3-2i
The ability to perceive existing gender differences and issues and to incorporate these into strategies and actions is
known as:
1). gender equality
2). gender parity
3). gender equity
4). gender sensitivity
Choose the correct synonym of:
oration
1). speech
2). silence
3). dialogue
4). attraction