Jawabanmu

2014-08-30T16:42:25+07:00
A= i+9t j + i +2j
a= 2i + (9t + 2)j
integralkan
v= 2t i + (3t^2 + 2t)j
integralkan lagi
r= t^2 i + (t^3 + t^2)j



2 2 2