Make p the subject of the relation: q = 3pr+s2
p = 2q−rs6
p = 2qr - sr - 3
p = 2qr−s6
p = 2qr−rs6
Correct answer is D
q = 3pr+s2
q = 6p+rs2r
6p + rs = 2qr
6p = 2qr - rs
p = 2qr−rs6
6(1 - 3k2)
6(3k2 - 1)
6(3k - 1)
6(1 - 3k)
Correct answer is C
54k2−63k+1=6(9k2−1)3k+1
= 6(3k+1)−(3k−1)3k+1
= 6(3k - 1)
Solve for x in the equation; 1x+23x=13
5
4
3
1
Correct answer is A
18+23x=13
= 12
53x=13
3x = 15
x = 153
= 5
25m/s
150m/s
250m/s
500m/s
Correct answer is A
720×10008×60×60 = 20×108
= 2008
= 25 m/s