bantuin ih gaes;(........

1. a) 4
b) 6 a^(6-3).b^(2-1)
= 6 a^3b
c) 3x^(2-2-1).y^(5-2-2)
= 3x^-1.y
= 3y/x
d) 15p^4.q^5.r^3 : ( 3p^(2-1).q^(1-1).r^(3-1)
=15p^4.q^5.r^3 : (3p.r^2)
= 5p^(4-1).q^(5-0).r^(3-2)
= 5p^3.q^5.r

e)

2. a) (x-2)^2 = x^2 -4x +4