SENIOR 2

Senior 2

100

Factorize x²-5x+6 

(x-2)(x-3)

200

What is the derivative of velocity?

acceleration

300

if the probability of A is 0.2 and the probability of B is 0.3 and P(A∩ B) is 0.1, Are A and B independant events? Give a reason

A and B are not independant events

As P(A∩ B) doesnt = P(A)xP(b)

400

If a bag has 2 red balls 3 white and 1 green what is the probability of pulling 1 red and 1 white, without ball replacement.

2/5 or 0.4

500

d/dx ( sin(x)/cos(x) ) 

1/ cos²(x)  or sec²(x)