Jawapan

2016-09-20T15:14:06+08:00
A) i) (-6x+12)÷3 = -2x+4

ii) (3y-1)÷[(3y-1)(3y+1) = 1÷(3y+1)

b) i) p²=q²+r²
q²=p²-r²
q=p-r

ii) q=10-6
=4